Finding the Fourth Proportional to 10,442.78, 14,411.70 and 5,727.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,442.78 : 14,411.70 = 5,727.07 : x
2. Step 2: Convert to fraction form
   10,442.78/14,411.70 = 5,727.07/x
3. Step 3: Cross multiply
   10,442.78x = 14,411.70 × 5,727.07
4. Step 4: Simplify right side
   10,442.78x = 82,536,714.03
5. Step 5: Solve for x
   x = 82,536,714.03/10,442.78
6. Step 6: Final answer
   x = 7,903.71