Finding the Fourth Proportional to 1,880.56, 2,824.89 and 1,150.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,880.56 : 2,824.89 = 1,150.57 : x
2. Step 2: Convert to fraction form
   1,880.56/2,824.89 = 1,150.57/x
3. Step 3: Cross multiply
   1,880.56x = 2,824.89 × 1,150.57
4. Step 4: Simplify right side
   1,880.56x = 3,250,233.69
5. Step 5: Solve for x
   x = 3,250,233.69/1,880.56
6. Step 6: Final answer
   x = 1,728.33