Finding the Fourth Proportional to 8,854.18, 12,218.39 and 5,074.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,854.18 : 12,218.39 = 5,074.72 : x
2. Step 2: Convert to fraction form
   8,854.18/12,218.39 = 5,074.72/x
3. Step 3: Cross multiply
   8,854.18x = 12,218.39 × 5,074.72
4. Step 4: Simplify right side
   8,854.18x = 62,004,899.76
5. Step 5: Solve for x
   x = 62,004,899.76/8,854.18
6. Step 6: Final answer
   x = 7,002.90