Finding the Fourth Proportional to 71,385.36, 98,510.37 and 39,554.52

Step by Step Solution

1. Step 1: Write the proportion equation
   71,385.36 : 98,510.37 = 39,554.52 : x
2. Step 2: Convert to fraction form
   71,385.36/98,510.37 = 39,554.52/x
3. Step 3: Cross multiply
   71,385.36x = 98,510.37 × 39,554.52
4. Step 4: Simplify right side
   71,385.36x = 3,896,530,400.37
5. Step 5: Solve for x
   x = 3,896,530,400.37/71,385.36
6. Step 6: Final answer
   x = 54,584.45