Finding the Fourth Proportional to 9,243.57, 12,757.56 and 5,887.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,243.57 : 12,757.56 = 5,887.86 : x
2. Step 2: Convert to fraction form
   9,243.57/12,757.56 = 5,887.86/x
3. Step 3: Cross multiply
   9,243.57x = 12,757.56 × 5,887.86
4. Step 4: Simplify right side
   9,243.57x = 75,114,727.22
5. Step 5: Solve for x
   x = 75,114,727.22/9,243.57
6. Step 6: Final answer
   x = 8,126.16