Finding the Fourth Proportional to 71,323.58, 98,429.59 and 39,492.45

Step by Step Solution

1. Step 1: Write the proportion equation
   71,323.58 : 98,429.59 = 39,492.45 : x
2. Step 2: Convert to fraction form
   71,323.58/98,429.59 = 39,492.45/x
3. Step 3: Cross multiply
   71,323.58x = 98,429.59 × 39,492.45
4. Step 4: Simplify right side
   71,323.58x = 3,887,225,661.60
5. Step 5: Solve for x
   x = 3,887,225,661.60/71,323.58
6. Step 6: Final answer
   x = 54,501.27