Finding the Fourth Proportional to 9,242.72, 12,759.14 and 5,890.13

Step by Step Solution

1. Step 1: Write the proportion equation
   9,242.72 : 12,759.14 = 5,890.13 : x
2. Step 2: Convert to fraction form
   9,242.72/12,759.14 = 5,890.13/x
3. Step 3: Cross multiply
   9,242.72x = 12,759.14 × 5,890.13
4. Step 4: Simplify right side
   9,242.72x = 75,152,993.29
5. Step 5: Solve for x
   x = 75,152,993.29/9,242.72
6. Step 6: Final answer
   x = 8,131.05