Finding the Fourth Proportional to 9,338.62, 12,887.30 and 5,089.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,338.62 : 12,887.30 = 5,089.69 : x
2. Step 2: Convert to fraction form
   9,338.62/12,887.30 = 5,089.69/x
3. Step 3: Cross multiply
   9,338.62x = 12,887.30 × 5,089.69
4. Step 4: Simplify right side
   9,338.62x = 65,592,272.05
5. Step 5: Solve for x
   x = 65,592,272.05/9,338.62
6. Step 6: Final answer
   x = 7,023.76