Finding the Fourth Proportional to 3,101.98, 4,651.42 and 1,127.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,101.98 : 4,651.42 = 1,127.53 : x
2. Step 2: Convert to fraction form
   3,101.98/4,651.42 = 1,127.53/x
3. Step 3: Cross multiply
   3,101.98x = 4,651.42 × 1,127.53
4. Step 4: Simplify right side
   3,101.98x = 5,244,615.59
5. Step 5: Solve for x
   x = 5,244,615.59/3,101.98
6. Step 6: Final answer
   x = 1,690.73