Finding the Fourth Proportional to 10,187.27, 14,058.38 and 5,711.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,187.27 : 14,058.38 = 5,711.03 : x
2. Step 2: Convert to fraction form
   10,187.27/14,058.38 = 5,711.03/x
3. Step 3: Cross multiply
   10,187.27x = 14,058.38 × 5,711.03
4. Step 4: Simplify right side
   10,187.27x = 80,287,829.93
5. Step 5: Solve for x
   x = 80,287,829.93/10,187.27
6. Step 6: Final answer
   x = 7,881.19