Finding the Fourth Proportional to 1,777.33, 2,646.50 and 1,757.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,777.33 : 2,646.50 = 1,757.74 : x
2. Step 2: Convert to fraction form
   1,777.33/2,646.50 = 1,757.74/x
3. Step 3: Cross multiply
   1,777.33x = 2,646.50 × 1,757.74
4. Step 4: Simplify right side
   1,777.33x = 4,651,858.91
5. Step 5: Solve for x
   x = 4,651,858.91/1,777.33
6. Step 6: Final answer
   x = 2,617.33