Finding the Fourth Proportional to 10,253.08, 14,147.54 and 5,714.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,253.08 : 14,147.54 = 5,714.78 : x
2. Step 2: Convert to fraction form
   10,253.08/14,147.54 = 5,714.78/x
3. Step 3: Cross multiply
   10,253.08x = 14,147.54 × 5,714.78
4. Step 4: Simplify right side
   10,253.08x = 80,849,979.33
5. Step 5: Solve for x
   x = 80,849,979.33/10,253.08
6. Step 6: Final answer
   x = 7,885.44