Finding the Fourth Proportional to 71,117.08, 98,137.46 and 42,469

Step by Step Solution

1. Step 1: Write the proportion equation
   71,117.08 : 98,137.46 = 42,469 : x
2. Step 2: Convert to fraction form
   71,117.08/98,137.46 = 42,469/x
3. Step 3: Cross multiply
   71,117.08x = 98,137.46 × 42,469
4. Step 4: Simplify right side
   71,117.08x = 4,167,799,788.74
5. Step 5: Solve for x
   x = 4,167,799,788.74/71,117.08
6. Step 6: Final answer
   x = 58,604.77