Finding the Fourth Proportional to 71,533.50, 98,726.51 and 42,854.38

Step by Step Solution

1. Step 1: Write the proportion equation
   71,533.50 : 98,726.51 = 42,854.38 : x
2. Step 2: Convert to fraction form
   71,533.50/98,726.51 = 42,854.38/x
3. Step 3: Cross multiply
   71,533.50x = 98,726.51 × 42,854.38
4. Step 4: Simplify right side
   71,533.50x = 4,230,863,391.89
5. Step 5: Solve for x
   x = 4,230,863,391.89/71,533.50
6. Step 6: Final answer
   x = 59,145.21