Finding the Fourth Proportional to 1,934.72, 2,669.02 and 1,137.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,934.72 : 2,669.02 = 1,137.78 : x
2. Step 2: Convert to fraction form
   1,934.72/2,669.02 = 1,137.78/x
3. Step 3: Cross multiply
   1,934.72x = 2,669.02 × 1,137.78
4. Step 4: Simplify right side
   1,934.72x = 3,036,757.58
5. Step 5: Solve for x
   x = 3,036,757.58/1,934.72
6. Step 6: Final answer
   x = 1,569.61