Finding the Fourth Proportional to 1,613.43, 2,227.23 and 1,053.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,613.43 : 2,227.23 = 1,053.72 : x
2. Step 2: Convert to fraction form
   1,613.43/2,227.23 = 1,053.72/x
3. Step 3: Cross multiply
   1,613.43x = 2,227.23 × 1,053.72
4. Step 4: Simplify right side
   1,613.43x = 2,346,876.80
5. Step 5: Solve for x
   x = 2,346,876.80/1,613.43
6. Step 6: Final answer
   x = 1,454.59