Finding the Fourth Proportional to 14,031.98, 19,364.10 and 7,744.31

Step by Step Solution

1. Step 1: Write the proportion equation
   14,031.98 : 19,364.10 = 7,744.31 : x
2. Step 2: Convert to fraction form
   14,031.98/19,364.10 = 7,744.31/x
3. Step 3: Cross multiply
   14,031.98x = 19,364.10 × 7,744.31
4. Step 4: Simplify right side
   14,031.98x = 149,961,612.64
5. Step 5: Solve for x
   x = 149,961,612.64/14,031.98
6. Step 6: Final answer
   x = 10,687.13