Finding the Fourth Proportional to 3,555,074,400,909.40, 4,905,998,861,618.20 and 1,931,105,779,600.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,555,074,400,909.40 : 4,905,998,861,618.20 = 1,931,105,779,600.50 : x
2. Step 2: Convert to fraction form
   3,555,074,400,909.40/4,905,998,861,618.20 = 1,931,105,779,600.50/x
3. Step 3: Cross multiply
   3,555,074,400,909.40x = 4,905,998,861,618.20 × 1,931,105,779,600.50
4. Step 4: Simplify right side
   3,555,074,400,909.40x = 9,474,002,756,384,380,141,174,784
5. Step 5: Solve for x
   x = 9,474,002,756,384,380,141,174,784/3,555,074,400,909.40
6. Step 6: Final answer
   x = 2,664,923,905,379.00