Finding the Fourth Proportional to 1,334.22, 1,839.42 and 935.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,334.22 : 1,839.42 = 935.34 : x
2. Step 2: Convert to fraction form
   1,334.22/1,839.42 = 935.34/x
3. Step 3: Cross multiply
   1,334.22x = 1,839.42 × 935.34
4. Step 4: Simplify right side
   1,334.22x = 1,720,483.10
5. Step 5: Solve for x
   x = 1,720,483.10/1,334.22
6. Step 6: Final answer
   x = 1,289.50