Finding the Fourth Proportional to 14,259.25, 21,388.79 and 3,871.00

Step by Step Solution

1. Step 1: Write the proportion equation
   14,259.25 : 21,388.79 = 3,871.00 : x
2. Step 2: Convert to fraction form
   14,259.25/21,388.79 = 3,871.00/x
3. Step 3: Cross multiply
   14,259.25x = 21,388.79 × 3,871.00
4. Step 4: Simplify right side
   14,259.25x = 82,795,962.30
5. Step 5: Solve for x
   x = 82,795,962.30/14,259.25
6. Step 6: Final answer
   x = 5,806.47