Finding the Fourth Proportional to 2,733.68, 4,100.22 and 978.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,733.68 : 4,100.22 = 978.62 : x
2. Step 2: Convert to fraction form
   2,733.68/4,100.22 = 978.62/x
3. Step 3: Cross multiply
   2,733.68x = 4,100.22 × 978.62
4. Step 4: Simplify right side
   2,733.68x = 4,012,557.30
5. Step 5: Solve for x
   x = 4,012,557.30/2,733.68
6. Step 6: Final answer
   x = 1,467.82