Finding the Fourth Proportional to 1,888.74, 2,606.22 and 1,049.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,888.74 : 2,606.22 = 1,049.31 : x
2. Step 2: Convert to fraction form
   1,888.74/2,606.22 = 1,049.31/x
3. Step 3: Cross multiply
   1,888.74x = 2,606.22 × 1,049.31
4. Step 4: Simplify right side
   1,888.74x = 2,734,732.71
5. Step 5: Solve for x
   x = 2,734,732.71/1,888.74
6. Step 6: Final answer
   x = 1,447.91