Finding the Fourth Proportional to 59,048.07, 81,515.42 and 40,912.55

Step by Step Solution

1. Step 1: Write the proportion equation
   59,048.07 : 81,515.42 = 40,912.55 : x
2. Step 2: Convert to fraction form
   59,048.07/81,515.42 = 40,912.55/x
3. Step 3: Cross multiply
   59,048.07x = 81,515.42 × 40,912.55
4. Step 4: Simplify right side
   59,048.07x = 3,335,003,084.38
5. Step 5: Solve for x
   x = 3,335,003,084.38/59,048.07
6. Step 6: Final answer
   x = 56,479.46