Finding the Fourth Proportional to 9,513,784.68, 13,129,031.28 and 5,162,870.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,513,784.68 : 13,129,031.28 = 5,162,870.98 : x
2. Step 2: Convert to fraction form
   9,513,784.68/13,129,031.28 = 5,162,870.98/x
3. Step 3: Cross multiply
   9,513,784.68x = 13,129,031.28 × 5,162,870.98
4. Step 4: Simplify right side
   9,513,784.68x = 67,783,494,591,024.26
5. Step 5: Solve for x
   x = 67,783,494,591,024.26/9,513,784.68
6. Step 6: Final answer
   x = 7,124,766.52