Finding the Fourth Proportional to 22,079.32, 30,468.54 and 12,648.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,079.32 : 30,468.54 = 12,648.76 : x
2. Step 2: Convert to fraction form
   22,079.32/30,468.54 = 12,648.76/x
3. Step 3: Cross multiply
   22,079.32x = 30,468.54 × 12,648.76
4. Step 4: Simplify right side
   22,079.32x = 385,389,250.01
5. Step 5: Solve for x
   x = 385,389,250.01/22,079.32
6. Step 6: Final answer
   x = 17,454.76