Finding the Fourth Proportional to 10,454.40, 14,427.06 and 5,738.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,454.40 : 14,427.06 = 5,738.72 : x
2. Step 2: Convert to fraction form
   10,454.40/14,427.06 = 5,738.72/x
3. Step 3: Cross multiply
   10,454.40x = 14,427.06 × 5,738.72
4. Step 4: Simplify right side
   10,454.40x = 82,792,857.76
5. Step 5: Solve for x
   x = 82,792,857.76/10,454.40
6. Step 6: Final answer
   x = 7,919.43