Finding the Fourth Proportional to 71,084.12, 98,082.42 and 42,791.72

Step by Step Solution

1. Step 1: Write the proportion equation
   71,084.12 : 98,082.42 = 42,791.72 : x
2. Step 2: Convert to fraction form
   71,084.12/98,082.42 = 42,791.72/x
3. Step 3: Cross multiply
   71,084.12x = 98,082.42 × 42,791.72
4. Step 4: Simplify right side
   71,084.12x = 4,197,115,453.56
5. Step 5: Solve for x
   x = 4,197,115,453.56/71,084.12
6. Step 6: Final answer
   x = 59,044.35