Finding the Fourth Proportional to 22,484.28, 31,023.48 and 13,047.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,484.28 : 31,023.48 = 13,047.78 : x
2. Step 2: Convert to fraction form
   22,484.28/31,023.48 = 13,047.78/x
3. Step 3: Cross multiply
   22,484.28x = 31,023.48 × 13,047.78
4. Step 4: Simplify right side
   22,484.28x = 404,787,541.87
5. Step 5: Solve for x
   x = 404,787,541.87/22,484.28
6. Step 6: Final answer
   x = 18,003.14