Finding the Fourth Proportional to 22,461.76, 30,997.20 and 13,514.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,461.76 : 30,997.20 = 13,514.50 : x
2. Step 2: Convert to fraction form
   22,461.76/30,997.20 = 13,514.50/x
3. Step 3: Cross multiply
   22,461.76x = 30,997.20 × 13,514.50
4. Step 4: Simplify right side
   22,461.76x = 418,911,659.40
5. Step 5: Solve for x
   x = 418,911,659.40/22,461.76
6. Step 6: Final answer
   x = 18,649.99