Finding the Fourth Proportional to 8,870.99, 12,242.52 and 4,892.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,870.99 : 12,242.52 = 4,892.10 : x
2. Step 2: Convert to fraction form
   8,870.99/12,242.52 = 4,892.10/x
3. Step 3: Cross multiply
   8,870.99x = 12,242.52 × 4,892.10
4. Step 4: Simplify right side
   8,870.99x = 59,891,546.42
5. Step 5: Solve for x
   x = 59,891,546.42/8,870.99
6. Step 6: Final answer
   x = 6,751.40