Finding the Fourth Proportional to 71,269.55, 98,345.30 and 42,583.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,269.55 : 98,345.30 = 42,583.50 : x
2. Step 2: Convert to fraction form
   71,269.55/98,345.30 = 42,583.50/x
3. Step 3: Cross multiply
   71,269.55x = 98,345.30 × 42,583.50
4. Step 4: Simplify right side
   71,269.55x = 4,187,887,189.01
5. Step 5: Solve for x
   x = 4,187,887,189.01/71,269.55
6. Step 6: Final answer
   x = 58,761.24