Finding the Fourth Proportional to 9,141.39, 12,615.35 and 5,606.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,141.39 : 12,615.35 = 5,606.55 : x
2. Step 2: Convert to fraction form
   9,141.39/12,615.35 = 5,606.55/x
3. Step 3: Cross multiply
   9,141.39x = 12,615.35 × 5,606.55
4. Step 4: Simplify right side
   9,141.39x = 70,728,590.54
5. Step 5: Solve for x
   x = 70,728,590.54/9,141.39
6. Step 6: Final answer
   x = 7,737.18