Finding the Fourth Proportional to 59,754.72, 82,487.02 and 42,538.20

Step by Step Solution

1. Step 1: Write the proportion equation
   59,754.72 : 82,487.02 = 42,538.20 : x
2. Step 2: Convert to fraction form
   59,754.72/82,487.02 = 42,538.20/x
3. Step 3: Cross multiply
   59,754.72x = 82,487.02 × 42,538.20
4. Step 4: Simplify right side
   59,754.72x = 3,508,849,354.16
5. Step 5: Solve for x
   x = 3,508,849,354.16/59,754.72
6. Step 6: Final answer
   x = 58,720.87