Finding the Fourth Proportional to 1,732.05, 2,390.37 and 986.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,732.05 : 2,390.37 = 986.04 : x
2. Step 2: Convert to fraction form
   1,732.05/2,390.37 = 986.04/x
3. Step 3: Cross multiply
   1,732.05x = 2,390.37 × 986.04
4. Step 4: Simplify right side
   1,732.05x = 2,357,000.43
5. Step 5: Solve for x
   x = 2,357,000.43/1,732.05
6. Step 6: Final answer
   x = 1,360.82