Finding the Fourth Proportional to 2,943.81, 4,415.24 and 752.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,943.81 : 4,415.24 = 752.42 : x
2. Step 2: Convert to fraction form
   2,943.81/4,415.24 = 752.42/x
3. Step 3: Cross multiply
   2,943.81x = 4,415.24 × 752.42
4. Step 4: Simplify right side
   2,943.81x = 3,322,127.80
5. Step 5: Solve for x
   x = 3,322,127.80/2,943.81
6. Step 6: Final answer
   x = 1,128.51