Finding the Fourth Proportional to 14,264.86, 21,397.31 and 3,876.61

Step by Step Solution

1. Step 1: Write the proportion equation
   14,264.86 : 21,397.31 = 3,876.61 : x
2. Step 2: Convert to fraction form
   14,264.86/21,397.31 = 3,876.61/x
3. Step 3: Cross multiply
   14,264.86x = 21,397.31 × 3,876.61
4. Step 4: Simplify right side
   14,264.86x = 82,949,029.51
5. Step 5: Solve for x
   x = 82,949,029.51/14,264.86
6. Step 6: Final answer
   x = 5,814.92