Finding the Fourth Proportional to 10,203.39, 14,080.70 and 5,727.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,203.39 : 14,080.70 = 5,727.15 : x
2. Step 2: Convert to fraction form
   10,203.39/14,080.70 = 5,727.15/x
3. Step 3: Cross multiply
   10,203.39x = 14,080.70 × 5,727.15
4. Step 4: Simplify right side
   10,203.39x = 80,642,295.32
5. Step 5: Solve for x
   x = 80,642,295.32/10,203.39
6. Step 6: Final answer
   x = 7,903.48