Finding the Fourth Proportional to 5,336.32, 7,364.12 and 2,978.46

Step by Step Solution

1. Step 1: Write the proportion equation
   5,336.32 : 7,364.12 = 2,978.46 : x
2. Step 2: Convert to fraction form
   5,336.32/7,364.12 = 2,978.46/x
3. Step 3: Cross multiply
   5,336.32x = 7,364.12 × 2,978.46
4. Step 4: Simplify right side
   5,336.32x = 21,933,736.86
5. Step 5: Solve for x
   x = 21,933,736.86/5,336.32
6. Step 6: Final answer
   x = 4,110.27