Finding the Fourth Proportional to 5,336.82, 7,364.80 and 2,978.96

Step by Step Solution

1. Step 1: Write the proportion equation
   5,336.82 : 7,364.80 = 2,978.96 : x
2. Step 2: Convert to fraction form
   5,336.82/7,364.80 = 2,978.96/x
3. Step 3: Cross multiply
   5,336.82x = 7,364.80 × 2,978.96
4. Step 4: Simplify right side
   5,336.82x = 21,939,444.61
5. Step 5: Solve for x
   x = 21,939,444.61/5,336.82
6. Step 6: Final answer
   x = 4,110.96