Finding the Fourth Proportional to 2,635.08, 3,950.06 and 990.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,635.08 : 3,950.06 = 990.52 : x
2. Step 2: Convert to fraction form
   2,635.08/3,950.06 = 990.52/x
3. Step 3: Cross multiply
   2,635.08x = 3,950.06 × 990.52
4. Step 4: Simplify right side
   2,635.08x = 3,912,613.43
5. Step 5: Solve for x
   x = 3,912,613.43/2,635.08
6. Step 6: Final answer
   x = 1,484.82