Finding the Fourth Proportional to 5,714.24, 7,887.62 and 3,927.62

Step by Step Solution

1. Step 1: Write the proportion equation
   5,714.24 : 7,887.62 = 3,927.62 : x
2. Step 2: Convert to fraction form
   5,714.24/7,887.62 = 3,927.62/x
3. Step 3: Cross multiply
   5,714.24x = 7,887.62 × 3,927.62
4. Step 4: Simplify right side
   5,714.24x = 30,979,574.06
5. Step 5: Solve for x
   x = 30,979,574.06/5,714.24
6. Step 6: Final answer
   x = 5,421.47