Finding the Fourth Proportional to 1,778.38, 2,663.67 and 1,466.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,778.38 : 2,663.67 = 1,466.72 : x
2. Step 2: Convert to fraction form
   1,778.38/2,663.67 = 1,466.72/x
3. Step 3: Cross multiply
   1,778.38x = 2,663.67 × 1,466.72
4. Step 4: Simplify right side
   1,778.38x = 3,906,858.06
5. Step 5: Solve for x
   x = 3,906,858.06/1,778.38
6. Step 6: Final answer
   x = 2,196.86