Finding the Fourth Proportional to 3,575.14, 5,362.62 and 978.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,575.14 : 5,362.62 = 978.04 : x
2. Step 2: Convert to fraction form
   3,575.14/5,362.62 = 978.04/x
3. Step 3: Cross multiply
   3,575.14x = 5,362.62 × 978.04
4. Step 4: Simplify right side
   3,575.14x = 5,244,856.86
5. Step 5: Solve for x
   x = 5,244,856.86/3,575.14
6. Step 6: Final answer
   x = 1,467.04