Finding the Fourth Proportional to 1,732.04, 2,390.36 and 986.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,732.04 : 2,390.36 = 986.03 : x
2. Step 2: Convert to fraction form
   1,732.04/2,390.36 = 986.03/x
3. Step 3: Cross multiply
   1,732.04x = 2,390.36 × 986.03
4. Step 4: Simplify right side
   1,732.04x = 2,356,967.72
5. Step 5: Solve for x
   x = 2,356,967.72/1,732.04
6. Step 6: Final answer
   x = 1,360.80