Finding the Fourth Proportional to 8,963.42, 12,364.38 and 7,442.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,963.42 : 12,364.38 = 7,442.37 : x
2. Step 2: Convert to fraction form
   8,963.42/12,364.38 = 7,442.37/x
3. Step 3: Cross multiply
   8,963.42x = 12,364.38 × 7,442.37
4. Step 4: Simplify right side
   8,963.42x = 92,020,290.78
5. Step 5: Solve for x
   x = 92,020,290.78/8,963.42
6. Step 6: Final answer
   x = 10,266.20