Finding the Fourth Proportional to 22,178.32, 30,606.64 and 13,227.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,178.32 : 30,606.64 = 13,227.56 : x
2. Step 2: Convert to fraction form
   22,178.32/30,606.64 = 13,227.56/x
3. Step 3: Cross multiply
   22,178.32x = 30,606.64 × 13,227.56
4. Step 4: Simplify right side
   22,178.32x = 404,851,167.00
5. Step 5: Solve for x
   x = 404,851,167.00/22,178.32
6. Step 6: Final answer
   x = 18,254.37