Finding the Fourth Proportional to 14,258.33, 21,383.72 and 4,260.71

Step by Step Solution

1. Step 1: Write the proportion equation
   14,258.33 : 21,383.72 = 4,260.71 : x
2. Step 2: Convert to fraction form
   14,258.33/21,383.72 = 4,260.71/x
3. Step 3: Cross multiply
   14,258.33x = 21,383.72 × 4,260.71
4. Step 4: Simplify right side
   14,258.33x = 91,109,808.34
5. Step 5: Solve for x
   x = 91,109,808.34/14,258.33
6. Step 6: Final answer
   x = 6,389.94