Finding the Fourth Proportional to 8,953.02, 12,348.05 and 5,766.57

Step by Step Solution

1. Step 1: Write the proportion equation
   8,953.02 : 12,348.05 = 5,766.57 : x
2. Step 2: Convert to fraction form
   8,953.02/12,348.05 = 5,766.57/x
3. Step 3: Cross multiply
   8,953.02x = 12,348.05 × 5,766.57
4. Step 4: Simplify right side
   8,953.02x = 71,205,865.86
5. Step 5: Solve for x
   x = 71,205,865.86/8,953.02
6. Step 6: Final answer
   x = 7,953.28