Finding the Fourth Proportional to 1,763.75, 2,434.89 and 1,205

Step by Step Solution

1. Step 1: Write the proportion equation
   1,763.75 : 2,434.89 = 1,205 : x
2. Step 2: Convert to fraction form
   1,763.75/2,434.89 = 1,205/x
3. Step 3: Cross multiply
   1,763.75x = 2,434.89 × 1,205
4. Step 4: Simplify right side
   1,763.75x = 2,934,042.45
5. Step 5: Solve for x
   x = 2,934,042.45/1,763.75
6. Step 6: Final answer
   x = 1,663.53