Finding the Fourth Proportional to 5,336.19, 7,364.16 and 2,978.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,336.19 : 7,364.16 = 2,978.82 : x
2. Step 2: Convert to fraction form
   5,336.19/7,364.16 = 2,978.82/x
3. Step 3: Cross multiply
   5,336.19x = 7,364.16 × 2,978.82
4. Step 4: Simplify right side
   5,336.19x = 21,936,507.09
5. Step 5: Solve for x
   x = 21,936,507.09/5,336.19
6. Step 6: Final answer
   x = 4,110.89