Finding the Fourth Proportional to 3,099.47, 4,651.28 and 1,151.87

Step by Step Solution

1. Step 1: Write the proportion equation
   3,099.47 : 4,651.28 = 1,151.87 : x
2. Step 2: Convert to fraction form
   3,099.47/4,651.28 = 1,151.87/x
3. Step 3: Cross multiply
   3,099.47x = 4,651.28 × 1,151.87
4. Step 4: Simplify right side
   3,099.47x = 5,357,669.89
5. Step 5: Solve for x
   x = 5,357,669.89/3,099.47
6. Step 6: Final answer
   x = 1,728.58