Finding the Fourth Proportional to 8,792.43, 12,133.89 and 4,813.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,792.43 : 12,133.89 = 4,813.89 : x
2. Step 2: Convert to fraction form
   8,792.43/12,133.89 = 4,813.89/x
3. Step 3: Cross multiply
   8,792.43x = 12,133.89 × 4,813.89
4. Step 4: Simplify right side
   8,792.43x = 58,411,211.73
5. Step 5: Solve for x
   x = 58,411,211.73/8,792.43
6. Step 6: Final answer
   x = 6,643.35