Finding the Fourth Proportional to 14,443.30, 21,686.55 and 10,080.10

Step by Step Solution

1. Step 1: Write the proportion equation
   14,443.30 : 21,686.55 = 10,080.10 : x
2. Step 2: Convert to fraction form
   14,443.30/21,686.55 = 10,080.10/x
3. Step 3: Cross multiply
   14,443.30x = 21,686.55 × 10,080.10
4. Step 4: Simplify right side
   14,443.30x = 218,602,592.66
5. Step 5: Solve for x
   x = 218,602,592.66/14,443.30
6. Step 6: Final answer
   x = 15,135.22