Finding the Fourth Proportional to 2,030.68, 3,044.22 and 990.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,030.68 : 3,044.22 = 990.10 : x
2. Step 2: Convert to fraction form
   2,030.68/3,044.22 = 990.10/x
3. Step 3: Cross multiply
   2,030.68x = 3,044.22 × 990.10
4. Step 4: Simplify right side
   2,030.68x = 3,014,082.22
5. Step 5: Solve for x
   x = 3,014,082.22/2,030.68
6. Step 6: Final answer
   x = 1,484.27