Finding the Fourth Proportional to 10,427.38, 15,626.46 and 5,749.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,427.38 : 15,626.46 = 5,749.59 : x
2. Step 2: Convert to fraction form
   10,427.38/15,626.46 = 5,749.59/x
3. Step 3: Cross multiply
   10,427.38x = 15,626.46 × 5,749.59
4. Step 4: Simplify right side
   10,427.38x = 89,845,700.97
5. Step 5: Solve for x
   x = 89,845,700.97/10,427.38
6. Step 6: Final answer
   x = 8,616.33