Finding the Fourth Proportional to 59,467.30, 82,068.67 and 39,288.78

Step by Step Solution

1. Step 1: Write the proportion equation
   59,467.30 : 82,068.67 = 39,288.78 : x
2. Step 2: Convert to fraction form
   59,467.30/82,068.67 = 39,288.78/x
3. Step 3: Cross multiply
   59,467.30x = 82,068.67 × 39,288.78
4. Step 4: Simplify right side
   59,467.30x = 3,224,377,920.52
5. Step 5: Solve for x
   x = 3,224,377,920.52/59,467.30
6. Step 6: Final answer
   x = 54,221.02