Finding the Fourth Proportional to 12,805.86, 17,679.06 and 8,848.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,805.86 : 17,679.06 = 8,848.28 : x
2. Step 2: Convert to fraction form
   12,805.86/17,679.06 = 8,848.28/x
3. Step 3: Cross multiply
   12,805.86x = 17,679.06 × 8,848.28
4. Step 4: Simplify right side
   12,805.86x = 156,429,273.02
5. Step 5: Solve for x
   x = 156,429,273.02/12,805.86
6. Step 6: Final answer
   x = 12,215.44