Finding the Fourth Proportional to 14,275.89, 21,414.42 and 3,887.61

Step by Step Solution

1. Step 1: Write the proportion equation
   14,275.89 : 21,414.42 = 3,887.61 : x
2. Step 2: Convert to fraction form
   14,275.89/21,414.42 = 3,887.61/x
3. Step 3: Cross multiply
   14,275.89x = 21,414.42 × 3,887.61
4. Step 4: Simplify right side
   14,275.89x = 83,250,913.34
5. Step 5: Solve for x
   x = 83,250,913.34/14,275.89
6. Step 6: Final answer
   x = 5,831.57