Finding the Fourth Proportional to 10,203.36, 14,080.63 and 5,727.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,203.36 : 14,080.63 = 5,727.12 : x
2. Step 2: Convert to fraction form
   10,203.36/14,080.63 = 5,727.12/x
3. Step 3: Cross multiply
   10,203.36x = 14,080.63 × 5,727.12
4. Step 4: Simplify right side
   10,203.36x = 80,641,443.37
5. Step 5: Solve for x
   x = 80,641,443.37/10,203.36
6. Step 6: Final answer
   x = 7,903.42