Finding the Fourth Proportional to 1,634.72, 2,446.32 and 1,138.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,634.72 : 2,446.32 = 1,138.72 : x
2. Step 2: Convert to fraction form
   1,634.72/2,446.32 = 1,138.72/x
3. Step 3: Cross multiply
   1,634.72x = 2,446.32 × 1,138.72
4. Step 4: Simplify right side
   1,634.72x = 2,785,673.51
5. Step 5: Solve for x
   x = 2,785,673.51/1,634.72
6. Step 6: Final answer
   x = 1,704.07