Finding the Fourth Proportional to 9,789.02, 14,672.52 and 4,862.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,789.02 : 14,672.52 = 4,862.20 : x
2. Step 2: Convert to fraction form
   9,789.02/14,672.52 = 4,862.20/x
3. Step 3: Cross multiply
   9,789.02x = 14,672.52 × 4,862.20
4. Step 4: Simplify right side
   9,789.02x = 71,340,726.74
5. Step 5: Solve for x
   x = 71,340,726.74/9,789.02
6. Step 6: Final answer
   x = 7,287.83