Finding the Fourth Proportional to 3,100.66, 4,650.18 and 1,151.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,100.66 : 4,650.18 = 1,151.80 : x
2. Step 2: Convert to fraction form
   3,100.66/4,650.18 = 1,151.80/x
3. Step 3: Cross multiply
   3,100.66x = 4,650.18 × 1,151.80
4. Step 4: Simplify right side
   3,100.66x = 5,356,077.32
5. Step 5: Solve for x
   x = 5,356,077.32/3,100.66
6. Step 6: Final answer
   x = 1,727.40