Finding the Fourth Proportional to 9,862.57, 14,785.21 and 3,710.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,862.57 : 14,785.21 = 3,710.89 : x
2. Step 2: Convert to fraction form
   9,862.57/14,785.21 = 3,710.89/x
3. Step 3: Cross multiply
   9,862.57x = 14,785.21 × 3,710.89
4. Step 4: Simplify right side
   9,862.57x = 54,866,287.94
5. Step 5: Solve for x
   x = 54,866,287.94/9,862.57
6. Step 6: Final answer
   x = 5,563.08