Finding the Fourth Proportional to 9,337.69, 12,885.84 and 5,088.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,337.69 : 12,885.84 = 5,088.78 : x
2. Step 2: Convert to fraction form
   9,337.69/12,885.84 = 5,088.78/x
3. Step 3: Cross multiply
   9,337.69x = 12,885.84 × 5,088.78
4. Step 4: Simplify right side
   9,337.69x = 65,573,204.88
5. Step 5: Solve for x
   x = 65,573,204.88/9,337.69
6. Step 6: Final answer
   x = 7,022.43