Finding the Fourth Proportional to 3,444.30, 5,165.55 and 978.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,444.30 : 5,165.55 = 978.84 : x
2. Step 2: Convert to fraction form
   3,444.30/5,165.55 = 978.84/x
3. Step 3: Cross multiply
   3,444.30x = 5,165.55 × 978.84
4. Step 4: Simplify right side
   3,444.30x = 5,056,246.96
5. Step 5: Solve for x
   x = 5,056,246.96/3,444.30
6. Step 6: Final answer
   x = 1,468.00