Finding the Fourth Proportional to 1,331.69, 1,837.89 and 834.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,331.69 : 1,837.89 = 834.35 : x
2. Step 2: Convert to fraction form
   1,331.69/1,837.89 = 834.35/x
3. Step 3: Cross multiply
   1,331.69x = 1,837.89 × 834.35
4. Step 4: Simplify right side
   1,331.69x = 1,533,434.33
5. Step 5: Solve for x
   x = 1,533,434.33/1,331.69
6. Step 6: Final answer
   x = 1,151.50