Finding the Fourth Proportional to 8,256.04, 11,388.72 and 5,423.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,256.04 : 11,388.72 = 5,423.86 : x
2. Step 2: Convert to fraction form
   8,256.04/11,388.72 = 5,423.86/x
3. Step 3: Cross multiply
   8,256.04x = 11,388.72 × 5,423.86
4. Step 4: Simplify right side
   8,256.04x = 61,770,822.86
5. Step 5: Solve for x
   x = 61,770,822.86/8,256.04
6. Step 6: Final answer
   x = 7,481.89