Finding the Fourth Proportional to 9,155.06, 13,723.15 and 3,606.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,155.06 : 13,723.15 = 3,606.15 : x
2. Step 2: Convert to fraction form
   9,155.06/13,723.15 = 3,606.15/x
3. Step 3: Cross multiply
   9,155.06x = 13,723.15 × 3,606.15
4. Step 4: Simplify right side
   9,155.06x = 49,487,737.37
5. Step 5: Solve for x
   x = 49,487,737.37/9,155.06
6. Step 6: Final answer
   x = 5,405.51