Finding the Fourth Proportional to 72,871.52, 100,562.92 and 42,250.56

Step by Step Solution

1. Step 1: Write the proportion equation
   72,871.52 : 100,562.92 = 42,250.56 : x
2. Step 2: Convert to fraction form
   72,871.52/100,562.92 = 42,250.56/x
3. Step 3: Cross multiply
   72,871.52x = 100,562.92 × 42,250.56
4. Step 4: Simplify right side
   72,871.52x = 4,248,839,685.24
5. Step 5: Solve for x
   x = 4,248,839,685.24/72,871.52
6. Step 6: Final answer
   x = 58,305.90