Finding the Fourth Proportional to 10,080.30, 14,127 and 10,080.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,080.30 : 14,127 = 10,080.30 : x
2. Step 2: Convert to fraction form
   10,080.30/14,127 = 10,080.30/x
3. Step 3: Cross multiply
   10,080.30x = 14,127 × 10,080.30
4. Step 4: Simplify right side
   10,080.30x = 142,404,398.10
5. Step 5: Solve for x
   x = 142,404,398.10/10,080.30
6. Step 6: Final answer
   x = 14,127