Finding the Fourth Proportional to 9,053.42, 12,493.71 and 5,516.64

Step by Step Solution

1. Step 1: Write the proportion equation
   9,053.42 : 12,493.71 = 5,516.64 : x
2. Step 2: Convert to fraction form
   9,053.42/12,493.71 = 5,516.64/x
3. Step 3: Cross multiply
   9,053.42x = 12,493.71 × 5,516.64
4. Step 4: Simplify right side
   9,053.42x = 68,923,300.33
5. Step 5: Solve for x
   x = 68,923,300.33/9,053.42
6. Step 6: Final answer
   x = 7,612.96