Finding the Fourth Proportional to 14,031.50, 19,363.34 and 7,658.21

Step by Step Solution

1. Step 1: Write the proportion equation
   14,031.50 : 19,363.34 = 7,658.21 : x
2. Step 2: Convert to fraction form
   14,031.50/19,363.34 = 7,658.21/x
3. Step 3: Cross multiply
   14,031.50x = 19,363.34 × 7,658.21
4. Step 4: Simplify right side
   14,031.50x = 148,288,388.91
5. Step 5: Solve for x
   x = 148,288,388.91/14,031.50
6. Step 6: Final answer
   x = 10,568.25