Finding the Fourth Proportional to 1,613.34, 2,226.54 and 914.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,613.34 : 2,226.54 = 914.76 : x
2. Step 2: Convert to fraction form
   1,613.34/2,226.54 = 914.76/x
3. Step 3: Cross multiply
   1,613.34x = 2,226.54 × 914.76
4. Step 4: Simplify right side
   1,613.34x = 2,036,749.73
5. Step 5: Solve for x
   x = 2,036,749.73/1,613.34
6. Step 6: Final answer
   x = 1,262.44