Finding the Fourth Proportional to 3,339.82, 5,009.86 and 1,148.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,339.82 : 5,009.86 = 1,148.56 : x
2. Step 2: Convert to fraction form
   3,339.82/5,009.86 = 1,148.56/x
3. Step 3: Cross multiply
   3,339.82x = 5,009.86 × 1,148.56
4. Step 4: Simplify right side
   3,339.82x = 5,754,124.80
5. Step 5: Solve for x
   x = 5,754,124.80/3,339.82
6. Step 6: Final answer
   x = 1,722.88