Finding the Fourth Proportional to 1,502.35, 2,073.34 and 839.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,502.35 : 2,073.34 = 839.25 : x
2. Step 2: Convert to fraction form
   1,502.35/2,073.34 = 839.25/x
3. Step 3: Cross multiply
   1,502.35x = 2,073.34 × 839.25
4. Step 4: Simplify right side
   1,502.35x = 1,740,036.03
5. Step 5: Solve for x
   x = 1,740,036.03/1,502.35
6. Step 6: Final answer
   x = 1,158.21