Finding the Fourth Proportional to 1,766.41, 2,643.94 and 1,698.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,766.41 : 2,643.94 = 1,698.37 : x
2. Step 2: Convert to fraction form
   1,766.41/2,643.94 = 1,698.37/x
3. Step 3: Cross multiply
   1,766.41x = 2,643.94 × 1,698.37
4. Step 4: Simplify right side
   1,766.41x = 4,490,388.38
5. Step 5: Solve for x
   x = 4,490,388.38/1,766.41
6. Step 6: Final answer
   x = 2,542.10