Finding the Fourth Proportional to 59,053.52, 81,443.72 and 49,899.92

Step by Step Solution

1. Step 1: Write the proportion equation
   59,053.52 : 81,443.72 = 49,899.92 : x
2. Step 2: Convert to fraction form
   59,053.52/81,443.72 = 49,899.92/x
3. Step 3: Cross multiply
   59,053.52x = 81,443.72 × 49,899.92
4. Step 4: Simplify right side
   59,053.52x = 4,064,034,455.78
5. Step 5: Solve for x
   x = 4,064,034,455.78/59,053.52
6. Step 6: Final answer
   x = 68,819.52