Finding the Fourth Proportional to 9,099.33, 12,557.02 and 5,120.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,099.33 : 12,557.02 = 5,120.48 : x
2. Step 2: Convert to fraction form
   9,099.33/12,557.02 = 5,120.48/x
3. Step 3: Cross multiply
   9,099.33x = 12,557.02 × 5,120.48
4. Step 4: Simplify right side
   9,099.33x = 64,297,881.38
5. Step 5: Solve for x
   x = 64,297,881.38/9,099.33
6. Step 6: Final answer
   x = 7,066.22