Finding the Fourth Proportional to 14,018.96, 21,028.52 and 4,158.32

Step by Step Solution

1. Step 1: Write the proportion equation
   14,018.96 : 21,028.52 = 4,158.32 : x
2. Step 2: Convert to fraction form
   14,018.96/21,028.52 = 4,158.32/x
3. Step 3: Cross multiply
   14,018.96x = 21,028.52 × 4,158.32
4. Step 4: Simplify right side
   14,018.96x = 87,443,189.35
5. Step 5: Solve for x
   x = 87,443,189.35/14,018.96
6. Step 6: Final answer
   x = 6,237.50