Finding the Fourth Proportional to 71,329.59, 98,427.96 and 42,643.53

Step by Step Solution

1. Step 1: Write the proportion equation
   71,329.59 : 98,427.96 = 42,643.53 : x
2. Step 2: Convert to fraction form
   71,329.59/98,427.96 = 42,643.53/x
3. Step 3: Cross multiply
   71,329.59x = 98,427.96 × 42,643.53
4. Step 4: Simplify right side
   71,329.59x = 4,197,315,665.10
5. Step 5: Solve for x
   x = 4,197,315,665.10/71,329.59
6. Step 6: Final answer
   x = 58,843.96