Finding the Fourth Proportional to 14,499.61, 21,753.15 and 4,111.36

Step by Step Solution

1. Step 1: Write the proportion equation
   14,499.61 : 21,753.15 = 4,111.36 : x
2. Step 2: Convert to fraction form
   14,499.61/21,753.15 = 4,111.36/x
3. Step 3: Cross multiply
   14,499.61x = 21,753.15 × 4,111.36
4. Step 4: Simplify right side
   14,499.61x = 89,435,030.78
5. Step 5: Solve for x
   x = 89,435,030.78/14,499.61
6. Step 6: Final answer
   x = 6,168.10