Finding the Fourth Proportional to 11,079, 15,290.76 and 7,099.92

Step by Step Solution

1. Step 1: Write the proportion equation
   11,079 : 15,290.76 = 7,099.92 : x
2. Step 2: Convert to fraction form
   11,079/15,290.76 = 7,099.92/x
3. Step 3: Cross multiply
   11,079x = 15,290.76 × 7,099.92
4. Step 4: Simplify right side
   11,079x = 108,563,172.74
5. Step 5: Solve for x
   x = 108,563,172.74/11,079
6. Step 6: Final answer
   x = 9,799.00