Finding the Fourth Proportional to 71,307.09, 98,405.24 and 42,656.31

Step by Step Solution

1. Step 1: Write the proportion equation
   71,307.09 : 98,405.24 = 42,656.31 : x
2. Step 2: Convert to fraction form
   71,307.09/98,405.24 = 42,656.31/x
3. Step 3: Cross multiply
   71,307.09x = 98,405.24 × 42,656.31
4. Step 4: Simplify right side
   71,307.09x = 4,197,604,209.78
5. Step 5: Solve for x
   x = 4,197,604,209.78/71,307.09
6. Step 6: Final answer
   x = 58,866.58