Finding the Fourth Proportional to 2,343.78, 3,518.71 and 1,650.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,343.78 : 3,518.71 = 1,650.76 : x
2. Step 2: Convert to fraction form
   2,343.78/3,518.71 = 1,650.76/x
3. Step 3: Cross multiply
   2,343.78x = 3,518.71 × 1,650.76
4. Step 4: Simplify right side
   2,343.78x = 5,808,532.80
5. Step 5: Solve for x
   x = 5,808,532.80/2,343.78
6. Step 6: Final answer
   x = 2,478.28