Finding the Fourth Proportional to 14,215.42, 21,323.27 and 5,448.25

Step by Step Solution

1. Step 1: Write the proportion equation
   14,215.42 : 21,323.27 = 5,448.25 : x
2. Step 2: Convert to fraction form
   14,215.42/21,323.27 = 5,448.25/x
3. Step 3: Cross multiply
   14,215.42x = 21,323.27 × 5,448.25
4. Step 4: Simplify right side
   14,215.42x = 116,174,505.78
5. Step 5: Solve for x
   x = 116,174,505.78/14,215.42
6. Step 6: Final answer
   x = 8,172.43