Finding the Fourth Proportional to 9,099.51, 13,651.20 and 5,152.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,099.51 : 13,651.20 = 5,152.61 : x
2. Step 2: Convert to fraction form
   9,099.51/13,651.20 = 5,152.61/x
3. Step 3: Cross multiply
   9,099.51x = 13,651.20 × 5,152.61
4. Step 4: Simplify right side
   9,099.51x = 70,339,343.76
5. Step 5: Solve for x
   x = 70,339,343.76/9,099.51
6. Step 6: Final answer
   x = 7,730.02