Finding the Fourth Proportional to 8,888.24, 12,265.72 and 4,909.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,888.24 : 12,265.72 = 4,909.34 : x
2. Step 2: Convert to fraction form
   8,888.24/12,265.72 = 4,909.34/x
3. Step 3: Cross multiply
   8,888.24x = 12,265.72 × 4,909.34
4. Step 4: Simplify right side
   8,888.24x = 60,216,589.82
5. Step 5: Solve for x
   x = 60,216,589.82/8,888.24
6. Step 6: Final answer
   x = 6,774.86