Finding the Fourth Proportional to 59,620.32, 89,304.12 and 40,812.12

Step by Step Solution

1. Step 1: Write the proportion equation
   59,620.32 : 89,304.12 = 40,812.12 : x
2. Step 2: Convert to fraction form
   59,620.32/89,304.12 = 40,812.12/x
3. Step 3: Cross multiply
   59,620.32x = 89,304.12 × 40,812.12
4. Step 4: Simplify right side
   59,620.32x = 3,644,690,461.93
5. Step 5: Solve for x
   x = 3,644,690,461.93/59,620.32
6. Step 6: Final answer
   x = 61,131.68