Finding the Fourth Proportional to 1,766.54, 2,436.72 and 1,261.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,766.54 : 2,436.72 = 1,261.46 : x
2. Step 2: Convert to fraction form
   1,766.54/2,436.72 = 1,261.46/x
3. Step 3: Cross multiply
   1,766.54x = 2,436.72 × 1,261.46
4. Step 4: Simplify right side
   1,766.54x = 3,073,824.81
5. Step 5: Solve for x
   x = 3,073,824.81/1,766.54
6. Step 6: Final answer
   x = 1,740.03