Finding the Fourth Proportional to 2,762.84, 4,142.37 and 1,445.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,762.84 : 4,142.37 = 1,445.78 : x
2. Step 2: Convert to fraction form
   2,762.84/4,142.37 = 1,445.78/x
3. Step 3: Cross multiply
   2,762.84x = 4,142.37 × 1,445.78
4. Step 4: Simplify right side
   2,762.84x = 5,988,955.70
5. Step 5: Solve for x
   x = 5,988,955.70/2,762.84
6. Step 6: Final answer
   x = 2,167.68