Finding the Fourth Proportional to 3,124.69, 4,686.96 and 1,150.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,124.69 : 4,686.96 = 1,150.78 : x
2. Step 2: Convert to fraction form
   3,124.69/4,686.96 = 1,150.78/x
3. Step 3: Cross multiply
   3,124.69x = 4,686.96 × 1,150.78
4. Step 4: Simplify right side
   3,124.69x = 5,393,659.83
5. Step 5: Solve for x
   x = 5,393,659.83/3,124.69
6. Step 6: Final answer
   x = 1,726.14