Finding the Fourth Proportional to 12,801.18, 17,653.91 and 8,773.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,801.18 : 17,653.91 = 8,773.86 : x
2. Step 2: Convert to fraction form
   12,801.18/17,653.91 = 8,773.86/x
3. Step 3: Cross multiply
   12,801.18x = 17,653.91 × 8,773.86
4. Step 4: Simplify right side
   12,801.18x = 154,892,934.79
5. Step 5: Solve for x
   x = 154,892,934.79/12,801.18
6. Step 6: Final answer
   x = 12,099.90