Finding the Fourth Proportional to 3,079.52, 4,619.73 and 1,131.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,079.52 : 4,619.73 = 1,131.57 : x
2. Step 2: Convert to fraction form
   3,079.52/4,619.73 = 1,131.57/x
3. Step 3: Cross multiply
   3,079.52x = 4,619.73 × 1,131.57
4. Step 4: Simplify right side
   3,079.52x = 5,227,552.12
5. Step 5: Solve for x
   x = 5,227,552.12/3,079.52
6. Step 6: Final answer
   x = 1,697.52