Finding the Fourth Proportional to 5,298.07, 7,311.78 and 2,940.70

Step by Step Solution

1. Step 1: Write the proportion equation
   5,298.07 : 7,311.78 = 2,940.70 : x
2. Step 2: Convert to fraction form
   5,298.07/7,311.78 = 2,940.70/x
3. Step 3: Cross multiply
   5,298.07x = 7,311.78 × 2,940.70
4. Step 4: Simplify right side
   5,298.07x = 21,501,751.45
5. Step 5: Solve for x
   x = 21,501,751.45/5,298.07
6. Step 6: Final answer
   x = 4,058.41