Finding the Fourth Proportional to 1,342.69, 1,851.89 and 1,176.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342.69 : 1,851.89 = 1,176.61 : x
2. Step 2: Convert to fraction form
   1,342.69/1,851.89 = 1,176.61/x
3. Step 3: Cross multiply
   1,342.69x = 1,851.89 × 1,176.61
4. Step 4: Simplify right side
   1,342.69x = 2,178,952.29
5. Step 5: Solve for x
   x = 2,178,952.29/1,342.69
6. Step 6: Final answer
   x = 1,622.83