Finding the Fourth Proportional to 2,118.83, 2,923.49 and 1,234.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118.83 : 2,923.49 = 1,234.10 : x
2. Step 2: Convert to fraction form
   2,118.83/2,923.49 = 1,234.10/x
3. Step 3: Cross multiply
   2,118.83x = 2,923.49 × 1,234.10
4. Step 4: Simplify right side
   2,118.83x = 3,607,889.40
5. Step 5: Solve for x
   x = 3,607,889.40/2,118.83
6. Step 6: Final answer
   x = 1,702.78