Finding the Fourth Proportional to 10,454.88, 14,427.74 and 5,739.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,454.88 : 14,427.74 = 5,739.46 : x
2. Step 2: Convert to fraction form
   10,454.88/14,427.74 = 5,739.46/x
3. Step 3: Cross multiply
   10,454.88x = 14,427.74 × 5,739.46
4. Step 4: Simplify right side
   10,454.88x = 82,807,436.62
5. Step 5: Solve for x
   x = 82,807,436.62/10,454.88
6. Step 6: Final answer
   x = 7,920.46