Finding the Fourth Proportional to 2,943.79, 4,414.71 and 1,188.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,943.79 : 4,414.71 = 1,188.34 : x
2. Step 2: Convert to fraction form
   2,943.79/4,414.71 = 1,188.34/x
3. Step 3: Cross multiply
   2,943.79x = 4,414.71 × 1,188.34
4. Step 4: Simplify right side
   2,943.79x = 5,246,176.48
5. Step 5: Solve for x
   x = 5,246,176.48/2,943.79
6. Step 6: Final answer
   x = 1,782.12