Finding the Fourth Proportional to 2,124.73, 2,920.80 and 1,898.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.73 : 2,920.80 = 1,898.29 : x
2. Step 2: Convert to fraction form
   2,124.73/2,920.80 = 1,898.29/x
3. Step 3: Cross multiply
   2,124.73x = 2,920.80 × 1,898.29
4. Step 4: Simplify right side
   2,124.73x = 5,544,525.43
5. Step 5: Solve for x
   x = 5,544,525.43/2,124.73
6. Step 6: Final answer
   x = 2,609.52