Finding the Fourth Proportional to 59,521.71, 82,143.60 and 39,343.59

Step by Step Solution

1. Step 1: Write the proportion equation
   59,521.71 : 82,143.60 = 39,343.59 : x
2. Step 2: Convert to fraction form
   59,521.71/82,143.60 = 39,343.59/x
3. Step 3: Cross multiply
   59,521.71x = 82,143.60 × 39,343.59
4. Step 4: Simplify right side
   59,521.71x = 3,231,824,119.52
5. Step 5: Solve for x
   x = 3,231,824,119.52/59,521.71
6. Step 6: Final answer
   x = 54,296.56