Finding the Fourth Proportional to 1,766.10, 2,647.35 and 1,035.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,766.10 : 2,647.35 = 1,035.30 : x
2. Step 2: Convert to fraction form
   1,766.10/2,647.35 = 1,035.30/x
3. Step 3: Cross multiply
   1,766.10x = 2,647.35 × 1,035.30
4. Step 4: Simplify right side
   1,766.10x = 2,740,801.46
5. Step 5: Solve for x
   x = 2,740,801.46/1,766.10
6. Step 6: Final answer
   x = 1,551.89