Finding the Fourth Proportional to 1,502.48, 2,073.17 and 839.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,502.48 : 2,073.17 = 839.34 : x
2. Step 2: Convert to fraction form
   1,502.48/2,073.17 = 839.34/x
3. Step 3: Cross multiply
   1,502.48x = 2,073.17 × 839.34
4. Step 4: Simplify right side
   1,502.48x = 1,740,096.61
5. Step 5: Solve for x
   x = 1,740,096.61/1,502.48
6. Step 6: Final answer
   x = 1,158.15