Finding the Fourth Proportional to 2,118.63, 2,923.80 and 1,234.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118.63 : 2,923.80 = 1,234.29 : x
2. Step 2: Convert to fraction form
   2,118.63/2,923.80 = 1,234.29/x
3. Step 3: Cross multiply
   2,118.63x = 2,923.80 × 1,234.29
4. Step 4: Simplify right side
   2,118.63x = 3,608,817.10
5. Step 5: Solve for x
   x = 3,608,817.10/2,118.63
6. Step 6: Final answer
   x = 1,703.37