Finding the Fourth Proportional to 102,424.02, 141,345.71 and 57,104.83

Step by Step Solution

1. Step 1: Write the proportion equation
   102,424.02 : 141,345.71 = 57,104.83 : x
2. Step 2: Convert to fraction form
   102,424.02/141,345.71 = 57,104.83/x
3. Step 3: Cross multiply
   102,424.02x = 141,345.71 × 57,104.83
4. Step 4: Simplify right side
   102,424.02x = 8,071,522,740.78
5. Step 5: Solve for x
   x = 8,071,522,740.78/102,424.02
6. Step 6: Final answer
   x = 78,804.98