Finding the Fourth Proportional to 1,581.89, 2,373.34 and 760.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581.89 : 2,373.34 = 760.23 : x
2. Step 2: Convert to fraction form
   1,581.89/2,373.34 = 760.23/x
3. Step 3: Cross multiply
   1,581.89x = 2,373.34 × 760.23
4. Step 4: Simplify right side
   1,581.89x = 1,804,284.27
5. Step 5: Solve for x
   x = 1,804,284.27/1,581.89
6. Step 6: Final answer
   x = 1,140.59