Finding the Fourth Proportional to 12,304.88, 16,980.74 and 7,591.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,304.88 : 16,980.74 = 7,591.89 : x
2. Step 2: Convert to fraction form
   12,304.88/16,980.74 = 7,591.89/x
3. Step 3: Cross multiply
   12,304.88x = 16,980.74 × 7,591.89
4. Step 4: Simplify right side
   12,304.88x = 128,915,872.24
5. Step 5: Solve for x
   x = 128,915,872.24/12,304.88
6. Step 6: Final answer
   x = 10,476.81