Finding the Fourth Proportional to 3,100.98, 4,651.78 and 1,152.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,100.98 : 4,651.78 = 1,152.73 : x
2. Step 2: Convert to fraction form
   3,100.98/4,651.78 = 1,152.73/x
3. Step 3: Cross multiply
   3,100.98x = 4,651.78 × 1,152.73
4. Step 4: Simplify right side
   3,100.98x = 5,362,251.45
5. Step 5: Solve for x
   x = 5,362,251.45/3,100.98
6. Step 6: Final answer
   x = 1,729.21