Finding the Fourth Proportional to 9,053.17, 12,493.37 and 5,516.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,053.17 : 12,493.37 = 5,516.39 : x
2. Step 2: Convert to fraction form
   9,053.17/12,493.37 = 5,516.39/x
3. Step 3: Cross multiply
   9,053.17x = 12,493.37 × 5,516.39
4. Step 4: Simplify right side
   9,053.17x = 68,918,273.75
5. Step 5: Solve for x
   x = 68,918,273.75/9,053.17
6. Step 6: Final answer
   x = 7,612.62