Finding the Fourth Proportional to 3,339.60, 5,009.94 and 1,147.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,339.60 : 5,009.94 = 1,147.82 : x
2. Step 2: Convert to fraction form
   3,339.60/5,009.94 = 1,147.82/x
3. Step 3: Cross multiply
   3,339.60x = 5,009.94 × 1,147.82
4. Step 4: Simplify right side
   3,339.60x = 5,750,509.33
5. Step 5: Solve for x
   x = 5,750,509.33/3,339.60
6. Step 6: Final answer
   x = 1,721.92