Finding the Fourth Proportional to 59,081.32, 81,504.03 and 39,967.75

Step by Step Solution

1. Step 1: Write the proportion equation
   59,081.32 : 81,504.03 = 39,967.75 : x
2. Step 2: Convert to fraction form
   59,081.32/81,504.03 = 39,967.75/x
3. Step 3: Cross multiply
   59,081.32x = 81,504.03 × 39,967.75
4. Step 4: Simplify right side
   59,081.32x = 3,257,532,695.03
5. Step 5: Solve for x
   x = 3,257,532,695.03/59,081.32
6. Step 6: Final answer
   x = 55,136.42