Finding the Fourth Proportional to 72,592, 108,785.82 and 57,734.98

Step by Step Solution

1. Step 1: Write the proportion equation
   72,592 : 108,785.82 = 57,734.98 : x
2. Step 2: Convert to fraction form
   72,592/108,785.82 = 57,734.98/x
3. Step 3: Cross multiply
   72,592x = 108,785.82 × 57,734.98
4. Step 4: Simplify right side
   72,592x = 6,280,747,141.98
5. Step 5: Solve for x
   x = 6,280,747,141.98/72,592
6. Step 6: Final answer
   x = 86,521.20