Finding the Fourth Proportional to 71,165.92, 98,216.96 and 42,871

Step by Step Solution

1. Step 1: Write the proportion equation
   71,165.92 : 98,216.96 = 42,871 : x
2. Step 2: Convert to fraction form
   71,165.92/98,216.96 = 42,871/x
3. Step 3: Cross multiply
   71,165.92x = 98,216.96 × 42,871
4. Step 4: Simplify right side
   71,165.92x = 4,210,659,292.16
5. Step 5: Solve for x
   x = 4,210,659,292.16/71,165.92
6. Step 6: Final answer
   x = 59,166.79