Finding the Fourth Proportional to 1,777.34, 2,662.34 and 1,386.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,777.34 : 2,662.34 = 1,386.92 : x
2. Step 2: Convert to fraction form
   1,777.34/2,662.34 = 1,386.92/x
3. Step 3: Cross multiply
   1,777.34x = 2,662.34 × 1,386.92
4. Step 4: Simplify right side
   1,777.34x = 3,692,452.59
5. Step 5: Solve for x
   x = 3,692,452.59/1,777.34
6. Step 6: Final answer
   x = 2,077.52