Finding the Fourth Proportional to 5,336.10, 7,363.59 and 2,978.22

Step by Step Solution

1. Step 1: Write the proportion equation
   5,336.10 : 7,363.59 = 2,978.22 : x
2. Step 2: Convert to fraction form
   5,336.10/7,363.59 = 2,978.22/x
3. Step 3: Cross multiply
   5,336.10x = 7,363.59 × 2,978.22
4. Step 4: Simplify right side
   5,336.10x = 21,930,391.01
5. Step 5: Solve for x
   x = 21,930,391.01/5,336.10
6. Step 6: Final answer
   x = 4,109.82