Finding the Fourth Proportional to 8,870.92, 12,242.43 and 4,892.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,870.92 : 12,242.43 = 4,892.04 : x
2. Step 2: Convert to fraction form
   8,870.92/12,242.43 = 4,892.04/x
3. Step 3: Cross multiply
   8,870.92x = 12,242.43 × 4,892.04
4. Step 4: Simplify right side
   8,870.92x = 59,890,457.26
5. Step 5: Solve for x
   x = 59,890,457.26/8,870.92
6. Step 6: Final answer
   x = 6,751.32