Finding the Fourth Proportional to 71,842.17, 99,142.17 and 41,645.03

Step by Step Solution

1. Step 1: Write the proportion equation
   71,842.17 : 99,142.17 = 41,645.03 : x
2. Step 2: Convert to fraction form
   71,842.17/99,142.17 = 41,645.03/x
3. Step 3: Cross multiply
   71,842.17x = 99,142.17 × 41,645.03
4. Step 4: Simplify right side
   71,842.17x = 4,128,778,148.20
5. Step 5: Solve for x
   x = 4,128,778,148.20/71,842.17
6. Step 6: Final answer
   x = 57,470.12