Finding the Fourth Proportional to 102,362.02, 141,257.46 and 57,039.82

Step by Step Solution

1. Step 1: Write the proportion equation
   102,362.02 : 141,257.46 = 57,039.82 : x
2. Step 2: Convert to fraction form
   102,362.02/141,257.46 = 57,039.82/x
3. Step 3: Cross multiply
   102,362.02x = 141,257.46 × 57,039.82
4. Step 4: Simplify right side
   102,362.02x = 8,057,300,092.06
5. Step 5: Solve for x
   x = 8,057,300,092.06/102,362.02
6. Step 6: Final answer
   x = 78,713.77