Finding the Fourth Proportional to 1,613.46, 2,227.06 and 1,054.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,613.46 : 2,227.06 = 1,054.02 : x
2. Step 2: Convert to fraction form
   1,613.46/2,227.06 = 1,054.02/x
3. Step 3: Cross multiply
   1,613.46x = 2,227.06 × 1,054.02
4. Step 4: Simplify right side
   1,613.46x = 2,347,375.45
5. Step 5: Solve for x
   x = 2,347,375.45/1,613.46
6. Step 6: Final answer
   x = 1,454.87