Finding the Fourth Proportional to 55,132.71, 82,449.82 and 42,480.91

Step by Step Solution

1. Step 1: Write the proportion equation
   55,132.71 : 82,449.82 = 42,480.91 : x
2. Step 2: Convert to fraction form
   55,132.71/82,449.82 = 42,480.91/x
3. Step 3: Cross multiply
   55,132.71x = 82,449.82 × 42,480.91
4. Step 4: Simplify right side
   55,132.71x = 3,502,543,382.94
5. Step 5: Solve for x
   x = 3,502,543,382.94/55,132.71
6. Step 6: Final answer
   x = 63,529.32