Finding the Fourth Proportional to 10,080.90, 15,104.42 and 5,076.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,080.90 : 15,104.42 = 5,076.62 : x
2. Step 2: Convert to fraction form
   10,080.90/15,104.42 = 5,076.62/x
3. Step 3: Cross multiply
   10,080.90x = 15,104.42 × 5,076.62
4. Step 4: Simplify right side
   10,080.90x = 76,679,375.28
5. Step 5: Solve for x
   x = 76,679,375.28/10,080.90
6. Step 6: Final answer
   x = 7,606.40