Finding the Fourth Proportional to 2,436.16, 3,362.38 and 1,551.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,436.16 : 3,362.38 = 1,551.78 : x
2. Step 2: Convert to fraction form
   2,436.16/3,362.38 = 1,551.78/x
3. Step 3: Cross multiply
   2,436.16x = 3,362.38 × 1,551.78
4. Step 4: Simplify right side
   2,436.16x = 5,217,674.04
5. Step 5: Solve for x
   x = 5,217,674.04/2,436.16
6. Step 6: Final answer
   x = 2,141.76