Finding the Fourth Proportional to 102,559,568.87, 141,526,830.26 and 56,140,931.27

Step by Step Solution

1. Step 1: Write the proportion equation
   102,559,568.87 : 141,526,830.26 = 56,140,931.27 : x
2. Step 2: Convert to fraction form
   102,559,568.87/141,526,830.26 = 56,140,931.27/x
3. Step 3: Cross multiply
   102,559,568.87x = 141,526,830.26 × 56,140,931.27
4. Step 4: Simplify right side
   102,559,568.87x = 7,945,448,049,499,277
5. Step 5: Solve for x
   x = 7,945,448,049,499,277/102,559,568.87
6. Step 6: Final answer
   x = 77,471,543.00