Finding the Fourth Proportional to 9,090.24, 12,541.63 and 5,506.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,090.24 : 12,541.63 = 5,506.55 : x
2. Step 2: Convert to fraction form
   9,090.24/12,541.63 = 5,506.55/x
3. Step 3: Cross multiply
   9,090.24x = 12,541.63 × 5,506.55
4. Step 4: Simplify right side
   9,090.24x = 69,061,112.68
5. Step 5: Solve for x
   x = 69,061,112.68/9,090.24
6. Step 6: Final answer
   x = 7,597.28