Finding the Fourth Proportional to 9,157.92, 13,731.48 and 3,606.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,157.92 : 13,731.48 = 3,606.72 : x
2. Step 2: Convert to fraction form
   9,157.92/13,731.48 = 3,606.72/x
3. Step 3: Cross multiply
   9,157.92x = 13,731.48 × 3,606.72
4. Step 4: Simplify right side
   9,157.92x = 49,525,603.55
5. Step 5: Solve for x
   x = 49,525,603.55/9,157.92
6. Step 6: Final answer
   x = 5,407.95