Finding the Fourth Proportional to 2,942.57, 4,415.61 and 1,188.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,942.57 : 4,415.61 = 1,188.41 : x
2. Step 2: Convert to fraction form
   2,942.57/4,415.61 = 1,188.41/x
3. Step 3: Cross multiply
   2,942.57x = 4,415.61 × 1,188.41
4. Step 4: Simplify right side
   2,942.57x = 5,247,555.08
5. Step 5: Solve for x
   x = 5,247,555.08/2,942.57
6. Step 6: Final answer
   x = 1,783.32