Finding the Fourth Proportional to 17,787.69, 24,519.56 and 13,304.61

Step by Step Solution

1. Step 1: Write the proportion equation
   17,787.69 : 24,519.56 = 13,304.61 : x
2. Step 2: Convert to fraction form
   17,787.69/24,519.56 = 13,304.61/x
3. Step 3: Cross multiply
   17,787.69x = 24,519.56 × 13,304.61
4. Step 4: Simplify right side
   17,787.69x = 326,223,116.65
5. Step 5: Solve for x
   x = 326,223,116.65/17,787.69
6. Step 6: Final answer
   x = 18,339.82