Finding the Fourth Proportional to 9,337.88, 12,886.22 and 5,089.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,337.88 : 12,886.22 = 5,089.20 : x
2. Step 2: Convert to fraction form
   9,337.88/12,886.22 = 5,089.20/x
3. Step 3: Cross multiply
   9,337.88x = 12,886.22 × 5,089.20
4. Step 4: Simplify right side
   9,337.88x = 65,580,550.82
5. Step 5: Solve for x
   x = 65,580,550.82/9,337.88
6. Step 6: Final answer
   x = 7,023.07