Finding the Fourth Proportional to 5,336.46, 7,364.46 and 2,978.58

Step by Step Solution

1. Step 1: Write the proportion equation
   5,336.46 : 7,364.46 = 2,978.58 : x
2. Step 2: Convert to fraction form
   5,336.46/7,364.46 = 2,978.58/x
3. Step 3: Cross multiply
   5,336.46x = 7,364.46 × 2,978.58
4. Step 4: Simplify right side
   5,336.46x = 21,935,633.27
5. Step 5: Solve for x
   x = 21,935,633.27/5,336.46
6. Step 6: Final answer
   x = 4,110.52