Finding the Fourth Proportional to 9,760.91, 14,641.54 and 3,521.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,760.91 : 14,641.54 = 3,521.39 : x
2. Step 2: Convert to fraction form
   9,760.91/14,641.54 = 3,521.39/x
3. Step 3: Cross multiply
   9,760.91x = 14,641.54 × 3,521.39
4. Step 4: Simplify right side
   9,760.91x = 51,558,490.53
5. Step 5: Solve for x
   x = 51,558,490.53/9,760.91
6. Step 6: Final answer
   x = 5,282.14