Finding the Fourth Proportional to 8,792.43, 13,188.78 and 2,869.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,792.43 : 13,188.78 = 2,869.30 : x
2. Step 2: Convert to fraction form
   8,792.43/13,188.78 = 2,869.30/x
3. Step 3: Cross multiply
   8,792.43x = 13,188.78 × 2,869.30
4. Step 4: Simplify right side
   8,792.43x = 37,842,566.45
5. Step 5: Solve for x
   x = 37,842,566.45/8,792.43
6. Step 6: Final answer
   x = 4,303.99