Finding the Fourth Proportional to 14,019.47, 21,029.28 and 4,158.82

Step by Step Solution

1. Step 1: Write the proportion equation
   14,019.47 : 21,029.28 = 4,158.82 : x
2. Step 2: Convert to fraction form
   14,019.47/21,029.28 = 4,158.82/x
3. Step 3: Cross multiply
   14,019.47x = 21,029.28 × 4,158.82
4. Step 4: Simplify right side
   14,019.47x = 87,456,864.31
5. Step 5: Solve for x
   x = 87,456,864.31/14,019.47
6. Step 6: Final answer
   x = 6,238.25