Finding the Fourth Proportional to 8,962.34, 12,364.72 and 5,424.26

Step by Step Solution

1. Step 1: Write the proportion equation
   8,962.34 : 12,364.72 = 5,424.26 : x
2. Step 2: Convert to fraction form
   8,962.34/12,364.72 = 5,424.26/x
3. Step 3: Cross multiply
   8,962.34x = 12,364.72 × 5,424.26
4. Step 4: Simplify right side
   8,962.34x = 67,069,380.72
5. Step 5: Solve for x
   x = 67,069,380.72/8,962.34
6. Step 6: Final answer
   x = 7,483.47