Finding the Fourth Proportional to 8,969.61, 12,377.46 and 5,612.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,969.61 : 12,377.46 = 5,612.25 : x
2. Step 2: Convert to fraction form
   8,969.61/12,377.46 = 5,612.25/x
3. Step 3: Cross multiply
   8,969.61x = 12,377.46 × 5,612.25
4. Step 4: Simplify right side
   8,969.61x = 69,465,399.89
5. Step 5: Solve for x
   x = 69,465,399.89/8,969.61
6. Step 6: Final answer
   x = 7,744.53