Finding the Fourth Proportional to 64,474.92, 88,952.58 and 42,131.88

Step by Step Solution

1. Step 1: Write the proportion equation
   64,474.92 : 88,952.58 = 42,131.88 : x
2. Step 2: Convert to fraction form
   64,474.92/88,952.58 = 42,131.88/x
3. Step 3: Cross multiply
   64,474.92x = 88,952.58 × 42,131.88
4. Step 4: Simplify right side
   64,474.92x = 3,747,739,426.25
5. Step 5: Solve for x
   x = 3,747,739,426.25/64,474.92
6. Step 6: Final answer
   x = 58,127.09