Finding the Fourth Proportional to 9,017.89, 12,452.60 and 5,666.51

Step by Step Solution

1. Step 1: Write the proportion equation
   9,017.89 : 12,452.60 = 5,666.51 : x
2. Step 2: Convert to fraction form
   9,017.89/12,452.60 = 5,666.51/x
3. Step 3: Cross multiply
   9,017.89x = 12,452.60 × 5,666.51
4. Step 4: Simplify right side
   9,017.89x = 70,562,827.72
5. Step 5: Solve for x
   x = 70,562,827.72/9,017.89
6. Step 6: Final answer
   x = 7,824.76