Finding the Fourth Proportional to 14,301.49, 21,449.94 and 3,910.81

Step by Step Solution

1. Step 1: Write the proportion equation
   14,301.49 : 21,449.94 = 3,910.81 : x
2. Step 2: Convert to fraction form
   14,301.49/21,449.94 = 3,910.81/x
3. Step 3: Cross multiply
   14,301.49x = 21,449.94 × 3,910.81
4. Step 4: Simplify right side
   14,301.49x = 83,886,571.56
5. Step 5: Solve for x
   x = 83,886,571.56/14,301.49
6. Step 6: Final answer
   x = 5,865.58