Finding the Fourth Proportional to 1,613.52, 2,226.69 and 914.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,613.52 : 2,226.69 = 914.76 : x
2. Step 2: Convert to fraction form
   1,613.52/2,226.69 = 914.76/x
3. Step 3: Cross multiply
   1,613.52x = 2,226.69 × 914.76
4. Step 4: Simplify right side
   1,613.52x = 2,036,886.94
5. Step 5: Solve for x
   x = 2,036,886.94/1,613.52
6. Step 6: Final answer
   x = 1,262.39