Finding the Fourth Proportional to 8,388.42, 12,583.98 and 2,842.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,388.42 : 12,583.98 = 2,842.10 : x
2. Step 2: Convert to fraction form
   8,388.42/12,583.98 = 2,842.10/x
3. Step 3: Cross multiply
   8,388.42x = 12,583.98 × 2,842.10
4. Step 4: Simplify right side
   8,388.42x = 35,764,929.56
5. Step 5: Solve for x
   x = 35,764,929.56/8,388.42
6. Step 6: Final answer
   x = 4,263.61