Finding the Fourth Proportional to 5,336.22, 7,363.30 and 2,978.46

Step by Step Solution

1. Step 1: Write the proportion equation
   5,336.22 : 7,363.30 = 2,978.46 : x
2. Step 2: Convert to fraction form
   5,336.22/7,363.30 = 2,978.46/x
3. Step 3: Cross multiply
   5,336.22x = 7,363.30 × 2,978.46
4. Step 4: Simplify right side
   5,336.22x = 21,931,250.26
5. Step 5: Solve for x
   x = 21,931,250.26/5,336.22
6. Step 6: Final answer
   x = 4,109.89