Finding the Fourth Proportional to 102,923,504.37, 142,034,436.77 and 56,513,758.28

Step by Step Solution

1. Step 1: Write the proportion equation
   102,923,504.37 : 142,034,436.77 = 56,513,758.28 : x
2. Step 2: Convert to fraction form
   102,923,504.37/142,034,436.77 = 56,513,758.28/x
3. Step 3: Cross multiply
   102,923,504.37x = 142,034,436.77 × 56,513,758.28
4. Step 4: Simplify right side
   102,923,504.37x = 8,026,899,826,062,982
5. Step 5: Solve for x
   x = 8,026,899,826,062,982/102,923,504.37
6. Step 6: Final answer
   x = 77,988,986.82