Finding the Fourth Proportional to 9,311.48, 12,850.56 and 5,333.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,311.48 : 12,850.56 = 5,333.87 : x
2. Step 2: Convert to fraction form
   9,311.48/12,850.56 = 5,333.87/x
3. Step 3: Cross multiply
   9,311.48x = 12,850.56 × 5,333.87
4. Step 4: Simplify right side
   9,311.48x = 68,543,152.21
5. Step 5: Solve for x
   x = 68,543,152.21/9,311.48
6. Step 6: Final answer
   x = 7,361.15