Finding the Fourth Proportional to 1,613.32, 2,225.86 and 950.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,613.32 : 2,225.86 = 950.12 : x
2. Step 2: Convert to fraction form
   1,613.32/2,225.86 = 950.12/x
3. Step 3: Cross multiply
   1,613.32x = 2,225.86 × 950.12
4. Step 4: Simplify right side
   1,613.32x = 2,114,834.10
5. Step 5: Solve for x
   x = 2,114,834.10/1,613.32
6. Step 6: Final answer
   x = 1,310.86