Finding the Fourth Proportional to 2,380.90, 3,572.83 and 1,148.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380.90 : 3,572.83 = 1,148.44 : x
2. Step 2: Convert to fraction form
   2,380.90/3,572.83 = 1,148.44/x
3. Step 3: Cross multiply
   2,380.90x = 3,572.83 × 1,148.44
4. Step 4: Simplify right side
   2,380.90x = 4,103,180.89
5. Step 5: Solve for x
   x = 4,103,180.89/2,380.90
6. Step 6: Final answer
   x = 1,723.37