Finding the Fourth Proportional to 2,733.32, 4,100.18 and 978.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,733.32 : 4,100.18 = 978.68 : x
2. Step 2: Convert to fraction form
   2,733.32/4,100.18 = 978.68/x
3. Step 3: Cross multiply
   2,733.32x = 4,100.18 × 978.68
4. Step 4: Simplify right side
   2,733.32x = 4,012,738.77
5. Step 5: Solve for x
   x = 4,012,738.77/2,733.32
6. Step 6: Final answer
   x = 1,468.09