Finding the Fourth Proportional to 71,200.51, 98,242.48 and 39,363.25

Step by Step Solution

1. Step 1: Write the proportion equation
   71,200.51 : 98,242.48 = 39,363.25 : x
2. Step 2: Convert to fraction form
   71,200.51/98,242.48 = 39,363.25/x
3. Step 3: Cross multiply
   71,200.51x = 98,242.48 × 39,363.25
4. Step 4: Simplify right side
   71,200.51x = 3,867,143,300.86
5. Step 5: Solve for x
   x = 3,867,143,300.86/71,200.51
6. Step 6: Final answer
   x = 54,313.42