Finding the Fourth Proportional to 71,518.01, 98,688.31 and 42,441.37

Step by Step Solution

1. Step 1: Write the proportion equation
   71,518.01 : 98,688.31 = 42,441.37 : x
2. Step 2: Convert to fraction form
   71,518.01/98,688.31 = 42,441.37/x
3. Step 3: Cross multiply
   71,518.01x = 98,688.31 × 42,441.37
4. Step 4: Simplify right side
   71,518.01x = 4,188,466,726.56
5. Step 5: Solve for x
   x = 4,188,466,726.56/71,518.01
6. Step 6: Final answer
   x = 58,565.21