Finding the Fourth Proportional to 8,870.85, 12,240.61 and 5,094.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,870.85 : 12,240.61 = 5,094.18 : x
2. Step 2: Convert to fraction form
   8,870.85/12,240.61 = 5,094.18/x
3. Step 3: Cross multiply
   8,870.85x = 12,240.61 × 5,094.18
4. Step 4: Simplify right side
   8,870.85x = 62,355,870.65
5. Step 5: Solve for x
   x = 62,355,870.65/8,870.85
6. Step 6: Final answer
   x = 7,029.30