Finding the Fourth Proportional to 1,580.29, 2,365.76 and 1,171.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,580.29 : 2,365.76 = 1,171.27 : x
2. Step 2: Convert to fraction form
   1,580.29/2,365.76 = 1,171.27/x
3. Step 3: Cross multiply
   1,580.29x = 2,365.76 × 1,171.27
4. Step 4: Simplify right side
   1,580.29x = 2,770,926.03
5. Step 5: Solve for x
   x = 2,770,926.03/1,580.29
6. Step 6: Final answer
   x = 1,753.43