Finding the Fourth Proportional to 11,030.89, 16,545.52 and 3,240.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,030.89 : 16,545.52 = 3,240.31 : x
2. Step 2: Convert to fraction form
   11,030.89/16,545.52 = 3,240.31/x
3. Step 3: Cross multiply
   11,030.89x = 16,545.52 × 3,240.31
4. Step 4: Simplify right side
   11,030.89x = 53,612,613.91
5. Step 5: Solve for x
   x = 53,612,613.91/11,030.89
6. Step 6: Final answer
   x = 4,860.23