Finding the Fourth Proportional to 22,178.04, 30,602.20 and 12,744.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,178.04 : 30,602.20 = 12,744.76 : x
2. Step 2: Convert to fraction form
   22,178.04/30,602.20 = 12,744.76/x
3. Step 3: Cross multiply
   22,178.04x = 30,602.20 × 12,744.76
4. Step 4: Simplify right side
   22,178.04x = 390,017,694.47
5. Step 5: Solve for x
   x = 390,017,694.47/22,178.04
6. Step 6: Final answer
   x = 17,585.76