Finding the Fourth Proportional to 11,099.89, 16,630.66 and 7,797.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,099.89 : 16,630.66 = 7,797.52 : x
2. Step 2: Convert to fraction form
   11,099.89/16,630.66 = 7,797.52/x
3. Step 3: Cross multiply
   11,099.89x = 16,630.66 × 7,797.52
4. Step 4: Simplify right side
   11,099.89x = 129,677,903.96
5. Step 5: Solve for x
   x = 129,677,903.96/11,099.89
6. Step 6: Final answer
   x = 11,682.81