Finding the Fourth Proportional to 10,080.10, 15,091.35 and 9,792.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,080.10 : 15,091.35 = 9,792.10 : x
2. Step 2: Convert to fraction form
   10,080.10/15,091.35 = 9,792.10/x
3. Step 3: Cross multiply
   10,080.10x = 15,091.35 × 9,792.10
4. Step 4: Simplify right side
   10,080.10x = 147,776,008.34
5. Step 5: Solve for x
   x = 147,776,008.34/10,080.10
6. Step 6: Final answer
   x = 14,660.17