Finding the Fourth Proportional to 9,969,215.55, 14,952,494.60 and 2,780,147.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,969,215.55 : 14,952,494.60 = 2,780,147.43 : x
2. Step 2: Convert to fraction form
   9,969,215.55/14,952,494.60 = 2,780,147.43/x
3. Step 3: Cross multiply
   9,969,215.55x = 14,952,494.60 × 2,780,147.43
4. Step 4: Simplify right side
   9,969,215.55x = 41,570,139,420,378.15
5. Step 5: Solve for x
   x = 41,570,139,420,378.15/9,969,215.55
6. Step 6: Final answer
   x = 4,169,850.60