Finding the Fourth Proportional to 14,141.88, 19,515.69 and 7,854.30

Step by Step Solution

1. Step 1: Write the proportion equation
   14,141.88 : 19,515.69 = 7,854.30 : x
2. Step 2: Convert to fraction form
   14,141.88/19,515.69 = 7,854.30/x
3. Step 3: Cross multiply
   14,141.88x = 19,515.69 × 7,854.30
4. Step 4: Simplify right side
   14,141.88x = 153,282,083.97
5. Step 5: Solve for x
   x = 153,282,083.97/14,141.88
6. Step 6: Final answer
   x = 10,838.88