Finding the Fourth Proportional to 2,118.11, 2,923.16 and 1,233.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118.11 : 2,923.16 = 1,233.86 : x
2. Step 2: Convert to fraction form
   2,118.11/2,923.16 = 1,233.86/x
3. Step 3: Cross multiply
   2,118.11x = 2,923.16 × 1,233.86
4. Step 4: Simplify right side
   2,118.11x = 3,606,749.41
5. Step 5: Solve for x
   x = 3,606,749.41/2,118.11
6. Step 6: Final answer
   x = 1,702.82