Finding the Fourth Proportional to 1,693.82, 2,337.49 and 985.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,693.82 : 2,337.49 = 985.72 : x
2. Step 2: Convert to fraction form
   1,693.82/2,337.49 = 985.72/x
3. Step 3: Cross multiply
   1,693.82x = 2,337.49 × 985.72
4. Step 4: Simplify right side
   1,693.82x = 2,304,110.64
5. Step 5: Solve for x
   x = 2,304,110.64/1,693.82
6. Step 6: Final answer
   x = 1,360.30