Finding the Fourth Proportional to 8,872.93, 12,246.15 and 8,479.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,872.93 : 12,246.15 = 8,479.27 : x
2. Step 2: Convert to fraction form
   8,872.93/12,246.15 = 8,479.27/x
3. Step 3: Cross multiply
   8,872.93x = 12,246.15 × 8,479.27
4. Step 4: Simplify right side
   8,872.93x = 103,838,412.31
5. Step 5: Solve for x
   x = 103,838,412.31/8,872.93
6. Step 6: Final answer
   x = 11,702.83