Finding the Fourth Proportional to 14,017.52, 19,343.79 and 7,644.29

Step by Step Solution

1. Step 1: Write the proportion equation
   14,017.52 : 19,343.79 = 7,644.29 : x
2. Step 2: Convert to fraction form
   14,017.52/19,343.79 = 7,644.29/x
3. Step 3: Cross multiply
   14,017.52x = 19,343.79 × 7,644.29
4. Step 4: Simplify right side
   14,017.52x = 147,869,443.74
5. Step 5: Solve for x
   x = 147,869,443.74/14,017.52
6. Step 6: Final answer
   x = 10,548.91