Finding the Fourth Proportional to 44,978.28, 67,478.76 and 13,812.72

Step by Step Solution

1. Step 1: Write the proportion equation
   44,978.28 : 67,478.76 = 13,812.72 : x
2. Step 2: Convert to fraction form
   44,978.28/67,478.76 = 13,812.72/x
3. Step 3: Cross multiply
   44,978.28x = 67,478.76 × 13,812.72
4. Step 4: Simplify right side
   44,978.28x = 932,065,217.83
5. Step 5: Solve for x
   x = 932,065,217.83/44,978.28
6. Step 6: Final answer
   x = 20,722.56