Finding the Fourth Proportional to 5,335.94, 7,363.30 and 2,978.23

Step by Step Solution

1. Step 1: Write the proportion equation
   5,335.94 : 7,363.30 = 2,978.23 : x
2. Step 2: Convert to fraction form
   5,335.94/7,363.30 = 2,978.23/x
3. Step 3: Cross multiply
   5,335.94x = 7,363.30 × 2,978.23
4. Step 4: Simplify right side
   5,335.94x = 21,929,600.96
5. Step 5: Solve for x
   x = 21,929,600.96/5,335.94
6. Step 6: Final answer
   x = 4,109.79