Finding the Fourth Proportional to 9,338.56, 12,887.52 and 5,360.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,338.56 : 12,887.52 = 5,360.38 : x
2. Step 2: Convert to fraction form
   9,338.56/12,887.52 = 5,360.38/x
3. Step 3: Cross multiply
   9,338.56x = 12,887.52 × 5,360.38
4. Step 4: Simplify right side
   9,338.56x = 69,082,004.46
5. Step 5: Solve for x
   x = 69,082,004.46/9,338.56
6. Step 6: Final answer
   x = 7,397.50