Finding the Fourth Proportional to 12,848.86, 17,726.06 and 8,649.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,848.86 : 17,726.06 = 8,649.82 : x
2. Step 2: Convert to fraction form
   12,848.86/17,726.06 = 8,649.82/x
3. Step 3: Cross multiply
   12,848.86x = 17,726.06 × 8,649.82
4. Step 4: Simplify right side
   12,848.86x = 153,327,228.31
5. Step 5: Solve for x
   x = 153,327,228.31/12,848.86
6. Step 6: Final answer
   x = 11,933.14