Finding the Fourth Proportional to 1,889.22, 2,606.72 and 1,049.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,889.22 : 2,606.72 = 1,049.74 : x
2. Step 2: Convert to fraction form
   1,889.22/2,606.72 = 1,049.74/x
3. Step 3: Cross multiply
   1,889.22x = 2,606.72 × 1,049.74
4. Step 4: Simplify right side
   1,889.22x = 2,736,381.15
5. Step 5: Solve for x
   x = 2,736,381.15/1,889.22
6. Step 6: Final answer
   x = 1,448.42