Finding the Fourth Proportional to 14,103.36, 21,158.28 and 4,242.84

Step by Step Solution

1. Step 1: Write the proportion equation
   14,103.36 : 21,158.28 = 4,242.84 : x
2. Step 2: Convert to fraction form
   14,103.36/21,158.28 = 4,242.84/x
3. Step 3: Cross multiply
   14,103.36x = 21,158.28 × 4,242.84
4. Step 4: Simplify right side
   14,103.36x = 89,771,196.72
5. Step 5: Solve for x
   x = 89,771,196.72/14,103.36
6. Step 6: Final answer
   x = 6,365.23