Finding the Fourth Proportional to 22,096.96, 30,492.88 and 12,663.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,096.96 : 30,492.88 = 12,663.72 : x
2. Step 2: Convert to fraction form
   22,096.96/30,492.88 = 12,663.72/x
3. Step 3: Cross multiply
   22,096.96x = 30,492.88 × 12,663.72
4. Step 4: Simplify right side
   22,096.96x = 386,153,294.31
5. Step 5: Solve for x
   x = 386,153,294.31/22,096.96
6. Step 6: Final answer
   x = 17,475.40