Finding the Fourth Proportional to 9,521.71, 14,283.52 and 3,280.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,521.71 : 14,283.52 = 3,280.91 : x
2. Step 2: Convert to fraction form
   9,521.71/14,283.52 = 3,280.91/x
3. Step 3: Cross multiply
   9,521.71x = 14,283.52 × 3,280.91
4. Step 4: Simplify right side
   9,521.71x = 46,862,863.98
5. Step 5: Solve for x
   x = 46,862,863.98/9,521.71
6. Step 6: Final answer
   x = 4,921.69