Finding the Fourth Proportional to 5,311.50, 7,911.15 and 5,033.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,311.50 : 7,911.15 = 5,033.94 : x
2. Step 2: Convert to fraction form
   5,311.50/7,911.15 = 5,033.94/x
3. Step 3: Cross multiply
   5,311.50x = 7,911.15 × 5,033.94
4. Step 4: Simplify right side
   5,311.50x = 39,824,254.43
5. Step 5: Solve for x
   x = 39,824,254.43/5,311.50
6. Step 6: Final answer
   x = 7,497.74