Finding the Fourth Proportional to 91,602.56, 137,455.84 and 39,006.56

Step by Step Solution

1. Step 1: Write the proportion equation
   91,602.56 : 137,455.84 = 39,006.56 : x
2. Step 2: Convert to fraction form
   91,602.56/137,455.84 = 39,006.56/x
3. Step 3: Cross multiply
   91,602.56x = 137,455.84 × 39,006.56
4. Step 4: Simplify right side
   91,602.56x = 5,361,679,470.31
5. Step 5: Solve for x
   x = 5,361,679,470.31/91,602.56
6. Step 6: Final answer
   x = 58,531.98