Finding the Fourth Proportional to 1,504.05, 2,254.86 and 1,382.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,504.05 : 2,254.86 = 1,382.55 : x
2. Step 2: Convert to fraction form
   1,504.05/2,254.86 = 1,382.55/x
3. Step 3: Cross multiply
   1,504.05x = 2,254.86 × 1,382.55
4. Step 4: Simplify right side
   1,504.05x = 3,117,456.69
5. Step 5: Solve for x
   x = 3,117,456.69/1,504.05
6. Step 6: Final answer
   x = 2,072.71