Finding the Fourth Proportional to 1,584.27, 2,375.39 and 760.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,584.27 : 2,375.39 = 760.91 : x
2. Step 2: Convert to fraction form
   1,584.27/2,375.39 = 760.91/x
3. Step 3: Cross multiply
   1,584.27x = 2,375.39 × 760.91
4. Step 4: Simplify right side
   1,584.27x = 1,807,448.03
5. Step 5: Solve for x
   x = 1,807,448.03/1,584.27
6. Step 6: Final answer
   x = 1,140.87