Finding the Fourth Proportional to 9,244.86, 12,756.38 and 5,709.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,244.86 : 12,756.38 = 5,709.20 : x
2. Step 2: Convert to fraction form
   9,244.86/12,756.38 = 5,709.20/x
3. Step 3: Cross multiply
   9,244.86x = 12,756.38 × 5,709.20
4. Step 4: Simplify right side
   9,244.86x = 72,828,724.70
5. Step 5: Solve for x
   x = 72,828,724.70/9,244.86
6. Step 6: Final answer
   x = 7,877.75