Finding the Fourth Proportional to 14,057.63, 21,068.15 and 5,727.89

Step by Step Solution

1. Step 1: Write the proportion equation
   14,057.63 : 21,068.15 = 5,727.89 : x
2. Step 2: Convert to fraction form
   14,057.63/21,068.15 = 5,727.89/x
3. Step 3: Cross multiply
   14,057.63x = 21,068.15 × 5,727.89
4. Step 4: Simplify right side
   14,057.63x = 120,675,911.72
5. Step 5: Solve for x
   x = 120,675,911.72/14,057.63
6. Step 6: Final answer
   x = 8,584.37