Finding the Fourth Proportional to 9,158.74, 13,731.27 and 3,607.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,158.74 : 13,731.27 = 3,607.54 : x
2. Step 2: Convert to fraction form
   9,158.74/13,731.27 = 3,607.54/x
3. Step 3: Cross multiply
   9,158.74x = 13,731.27 × 3,607.54
4. Step 4: Simplify right side
   9,158.74x = 49,536,105.78
5. Step 5: Solve for x
   x = 49,536,105.78/9,158.74
6. Step 6: Final answer
   x = 5,408.62