Finding the Fourth Proportional to 8,241.42, 12,426.78 and 7,552.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,241.42 : 12,426.78 = 7,552.50 : x
2. Step 2: Convert to fraction form
   8,241.42/12,426.78 = 7,552.50/x
3. Step 3: Cross multiply
   8,241.42x = 12,426.78 × 7,552.50
4. Step 4: Simplify right side
   8,241.42x = 93,853,255.95
5. Step 5: Solve for x
   x = 93,853,255.95/8,241.42
6. Step 6: Final answer
   x = 11,388.00