Finding the Fourth Proportional to 8,423.52, 11,626.56 and 5,442.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,423.52 : 11,626.56 = 5,442.72 : x
2. Step 2: Convert to fraction form
   8,423.52/11,626.56 = 5,442.72/x
3. Step 3: Cross multiply
   8,423.52x = 11,626.56 × 5,442.72
4. Step 4: Simplify right side
   8,423.52x = 63,280,110.64
5. Step 5: Solve for x
   x = 63,280,110.64/8,423.52
6. Step 6: Final answer
   x = 7,512.31