Finding the Fourth Proportional to 71,196.86, 98,244.15 and 39,360.62

Step by Step Solution

1. Step 1: Write the proportion equation
   71,196.86 : 98,244.15 = 39,360.62 : x
2. Step 2: Convert to fraction form
   71,196.86/98,244.15 = 39,360.62/x
3. Step 3: Cross multiply
   71,196.86x = 98,244.15 × 39,360.62
4. Step 4: Simplify right side
   71,196.86x = 3,866,950,655.37
5. Step 5: Solve for x
   x = 3,866,950,655.37/71,196.86
6. Step 6: Final answer
   x = 54,313.50