Finding the Fourth Proportional to 3,444.32, 5,166.69 and 978.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,444.32 : 5,166.69 = 978.96 : x
2. Step 2: Convert to fraction form
   3,444.32/5,166.69 = 978.96/x
3. Step 3: Cross multiply
   3,444.32x = 5,166.69 × 978.96
4. Step 4: Simplify right side
   3,444.32x = 5,057,984.02
5. Step 5: Solve for x
   x = 5,057,984.02/3,444.32
6. Step 6: Final answer
   x = 1,468.50