Finding the Fourth Proportional to 22,101.52, 30,499.20 and 12,663.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,101.52 : 30,499.20 = 12,663.52 : x
2. Step 2: Convert to fraction form
   22,101.52/30,499.20 = 12,663.52/x
3. Step 3: Cross multiply
   22,101.52x = 30,499.20 × 12,663.52
4. Step 4: Simplify right side
   22,101.52x = 386,227,229.18
5. Step 5: Solve for x
   x = 386,227,229.18/22,101.52
6. Step 6: Final answer
   x = 17,475.14