Finding the Fourth Proportional to 8,792.20, 12,133.52 and 4,813.45

Step by Step Solution

1. Step 1: Write the proportion equation
   8,792.20 : 12,133.52 = 4,813.45 : x
2. Step 2: Convert to fraction form
   8,792.20/12,133.52 = 4,813.45/x
3. Step 3: Cross multiply
   8,792.20x = 12,133.52 × 4,813.45
4. Step 4: Simplify right side
   8,792.20x = 58,404,103.16
5. Step 5: Solve for x
   x = 58,404,103.16/8,792.20
6. Step 6: Final answer
   x = 6,642.72