Finding the Fourth Proportional to 5,298.17, 7,311.18 and 2,940.17

Step by Step Solution

1. Step 1: Write the proportion equation
   5,298.17 : 7,311.18 = 2,940.17 : x
2. Step 2: Convert to fraction form
   5,298.17/7,311.18 = 2,940.17/x
3. Step 3: Cross multiply
   5,298.17x = 7,311.18 × 2,940.17
4. Step 4: Simplify right side
   5,298.17x = 21,496,093.82
5. Step 5: Solve for x
   x = 21,496,093.82/5,298.17
6. Step 6: Final answer
   x = 4,057.27