Finding the Fourth Proportional to 1,462.02, 2,016.82 and 990.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,462.02 : 2,016.82 = 990.20 : x
2. Step 2: Convert to fraction form
   1,462.02/2,016.82 = 990.20/x
3. Step 3: Cross multiply
   1,462.02x = 2,016.82 × 990.20
4. Step 4: Simplify right side
   1,462.02x = 1,997,055.16
5. Step 5: Solve for x
   x = 1,997,055.16/1,462.02
6. Step 6: Final answer
   x = 1,365.96