Finding the Fourth Proportional to 2,300.40, 3,436.02 and 1,650.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.40 : 3,436.02 = 1,650.78 : x
2. Step 2: Convert to fraction form
   2,300.40/3,436.02 = 1,650.78/x
3. Step 3: Cross multiply
   2,300.40x = 3,436.02 × 1,650.78
4. Step 4: Simplify right side
   2,300.40x = 5,672,113.10
5. Step 5: Solve for x
   x = 5,672,113.10/2,300.40
6. Step 6: Final answer
   x = 2,465.71