Finding the Fourth Proportional to 8,963.60, 12,366.51 and 5,425.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,963.60 : 12,366.51 = 5,425.52 : x
2. Step 2: Convert to fraction form
   8,963.60/12,366.51 = 5,425.52/x
3. Step 3: Cross multiply
   8,963.60x = 12,366.51 × 5,425.52
4. Step 4: Simplify right side
   8,963.60x = 67,094,747.34
5. Step 5: Solve for x
   x = 67,094,747.34/8,963.60
6. Step 6: Final answer
   x = 7,485.25