Finding the Fourth Proportional to 59,778.12, 82,516.17 and 39,641.75

Step by Step Solution

1. Step 1: Write the proportion equation
   59,778.12 : 82,516.17 = 39,641.75 : x
2. Step 2: Convert to fraction form
   59,778.12/82,516.17 = 39,641.75/x
3. Step 3: Cross multiply
   59,778.12x = 82,516.17 × 39,641.75
4. Step 4: Simplify right side
   59,778.12x = 3,271,084,969.52
5. Step 5: Solve for x
   x = 3,271,084,969.52/59,778.12
6. Step 6: Final answer
   x = 54,720.44