Finding the Fourth Proportional to 1,746.63, 2,616.71 and 1,338.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,746.63 : 2,616.71 = 1,338.39 : x
2. Step 2: Convert to fraction form
   1,746.63/2,616.71 = 1,338.39/x
3. Step 3: Cross multiply
   1,746.63x = 2,616.71 × 1,338.39
4. Step 4: Simplify right side
   1,746.63x = 3,502,171.80
5. Step 5: Solve for x
   x = 3,502,171.80/1,746.63
6. Step 6: Final answer
   x = 2,005.10