Finding the Fourth Proportional to 2,380.17, 3,284.11 and 1,436.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380.17 : 3,284.11 = 1,436.12 : x
2. Step 2: Convert to fraction form
   2,380.17/3,284.11 = 1,436.12/x
3. Step 3: Cross multiply
   2,380.17x = 3,284.11 × 1,436.12
4. Step 4: Simplify right side
   2,380.17x = 4,716,376.05
5. Step 5: Solve for x
   x = 4,716,376.05/2,380.17
6. Step 6: Final answer
   x = 1,981.53