Finding the Fourth Proportional to 10,201.91, 14,078.63 and 5,727.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,201.91 : 14,078.63 = 5,727.10 : x
2. Step 2: Convert to fraction form
   10,201.91/14,078.63 = 5,727.10/x
3. Step 3: Cross multiply
   10,201.91x = 14,078.63 × 5,727.10
4. Step 4: Simplify right side
   10,201.91x = 80,629,719.82
5. Step 5: Solve for x
   x = 80,629,719.82/10,201.91
6. Step 6: Final answer
   x = 7,903.40