Finding the Fourth Proportional to 2,294.68, 3,443.35 and 978.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,294.68 : 3,443.35 = 978.36 : x
2. Step 2: Convert to fraction form
   2,294.68/3,443.35 = 978.36/x
3. Step 3: Cross multiply
   2,294.68x = 3,443.35 × 978.36
4. Step 4: Simplify right side
   2,294.68x = 3,368,835.91
5. Step 5: Solve for x
   x = 3,368,835.91/2,294.68
6. Step 6: Final answer
   x = 1,468.11