Finding the Fourth Proportional to 1,071.09, 1,606.46 and 301.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071.09 : 1,606.46 = 301.61 : x
2. Step 2: Convert to fraction form
   1,071.09/1,606.46 = 301.61/x
3. Step 3: Cross multiply
   1,071.09x = 1,606.46 × 301.61
4. Step 4: Simplify right side
   1,071.09x = 484,522.89
5. Step 5: Solve for x
   x = 484,522.89/1,071.09
6. Step 6: Final answer
   x = 452.36