Finding the Fourth Proportional to 10,454.72, 14,427.50 and 5,739

Step by Step Solution

1. Step 1: Write the proportion equation
   10,454.72 : 14,427.50 = 5,739 : x
2. Step 2: Convert to fraction form
   10,454.72/14,427.50 = 5,739/x
3. Step 3: Cross multiply
   10,454.72x = 14,427.50 × 5,739
4. Step 4: Simplify right side
   10,454.72x = 82,799,422.50
5. Step 5: Solve for x
   x = 82,799,422.50/10,454.72
6. Step 6: Final answer
   x = 7,919.81