Finding the Fourth Proportional to 71,158.72, 98,185.08 and 42,865.96

Step by Step Solution

1. Step 1: Write the proportion equation
   71,158.72 : 98,185.08 = 42,865.96 : x
2. Step 2: Convert to fraction form
   71,158.72/98,185.08 = 42,865.96/x
3. Step 3: Cross multiply
   71,158.72x = 98,185.08 × 42,865.96
4. Step 4: Simplify right side
   71,158.72x = 4,208,797,711.88
5. Step 5: Solve for x
   x = 4,208,797,711.88/71,158.72
6. Step 6: Final answer
   x = 59,146.62