Finding the Fourth Proportional to 2,380.96, 3,284.80 and 1,436.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380.96 : 3,284.80 = 1,436.48 : x
2. Step 2: Convert to fraction form
   2,380.96/3,284.80 = 1,436.48/x
3. Step 3: Cross multiply
   2,380.96x = 3,284.80 × 1,436.48
4. Step 4: Simplify right side
   2,380.96x = 4,718,549.50
5. Step 5: Solve for x
   x = 4,718,549.50/2,380.96
6. Step 6: Final answer
   x = 1,981.78