Finding the Fourth Proportional to 3,069.22, 4,603.76 and 760.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,069.22 : 4,603.76 = 760.72 : x
2. Step 2: Convert to fraction form
   3,069.22/4,603.76 = 760.72/x
3. Step 3: Cross multiply
   3,069.22x = 4,603.76 × 760.72
4. Step 4: Simplify right side
   3,069.22x = 3,502,172.31
5. Step 5: Solve for x
   x = 3,502,172.31/3,069.22
6. Step 6: Final answer
   x = 1,141.06