Finding the Fourth Proportional to 1,934.69, 2,669.25 and 1,178.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,934.69 : 2,669.25 = 1,178.62 : x
2. Step 2: Convert to fraction form
   1,934.69/2,669.25 = 1,178.62/x
3. Step 3: Cross multiply
   1,934.69x = 2,669.25 × 1,178.62
4. Step 4: Simplify right side
   1,934.69x = 3,146,029.18
5. Step 5: Solve for x
   x = 3,146,029.18/1,934.69
6. Step 6: Final answer
   x = 1,626.12