Finding the Fourth Proportional to 2,380.52, 3,571.56 and 1,148.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380.52 : 3,571.56 = 1,148.06 : x
2. Step 2: Convert to fraction form
   2,380.52/3,571.56 = 1,148.06/x
3. Step 3: Cross multiply
   2,380.52x = 3,571.56 × 1,148.06
4. Step 4: Simplify right side
   2,380.52x = 4,100,374.10
5. Step 5: Solve for x
   x = 4,100,374.10/2,380.52
6. Step 6: Final answer
   x = 1,722.47