Finding the Fourth Proportional to 11,099.40, 15,302.88 and 7,916.33

Step by Step Solution

1. Step 1: Write the proportion equation
   11,099.40 : 15,302.88 = 7,916.33 : x
2. Step 2: Convert to fraction form
   11,099.40/15,302.88 = 7,916.33/x
3. Step 3: Cross multiply
   11,099.40x = 15,302.88 × 7,916.33
4. Step 4: Simplify right side
   11,099.40x = 121,142,571.52
5. Step 5: Solve for x
   x = 121,142,571.52/11,099.40
6. Step 6: Final answer
   x = 10,914.34