Finding the Fourth Proportional to 59,301.89, 81,866.30 and 40,282.28

Step by Step Solution

1. Step 1: Write the proportion equation
   59,301.89 : 81,866.30 = 40,282.28 : x
2. Step 2: Convert to fraction form
   59,301.89/81,866.30 = 40,282.28/x
3. Step 3: Cross multiply
   59,301.89x = 81,866.30 × 40,282.28
4. Step 4: Simplify right side
   59,301.89x = 3,297,760,915.42
5. Step 5: Solve for x
   x = 3,297,760,915.42/59,301.89
6. Step 6: Final answer
   x = 55,609.71