Finding the Fourth Proportional to 5,336.16, 7,363.02 and 2,978.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,336.16 : 7,363.02 = 2,978.30 : x
2. Step 2: Convert to fraction form
   5,336.16/7,363.02 = 2,978.30/x
3. Step 3: Cross multiply
   5,336.16x = 7,363.02 × 2,978.30
4. Step 4: Simplify right side
   5,336.16x = 21,929,282.47
5. Step 5: Solve for x
   x = 21,929,282.47/5,336.16
6. Step 6: Final answer
   x = 4,109.56