Finding the Fourth Proportional to 1,613.81, 2,226.72 and 950.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,613.81 : 2,226.72 = 950.42 : x
2. Step 2: Convert to fraction form
   1,613.81/2,226.72 = 950.42/x
3. Step 3: Cross multiply
   1,613.81x = 2,226.72 × 950.42
4. Step 4: Simplify right side
   1,613.81x = 2,116,323.01
5. Step 5: Solve for x
   x = 2,116,323.01/1,613.81
6. Step 6: Final answer
   x = 1,311.38