Finding the Fourth Proportional to 59,122.72, 81,590.52 and 46,391.16

Step by Step Solution

1. Step 1: Write the proportion equation
   59,122.72 : 81,590.52 = 46,391.16 : x
2. Step 2: Convert to fraction form
   59,122.72/81,590.52 = 46,391.16/x
3. Step 3: Cross multiply
   59,122.72x = 81,590.52 × 46,391.16
4. Step 4: Simplify right side
   59,122.72x = 3,785,078,867.80
5. Step 5: Solve for x
   x = 3,785,078,867.80/59,122.72
6. Step 6: Final answer
   x = 64,020.72