Finding the Fourth Proportional to 3,339.32, 5,009.31 and 1,147.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,339.32 : 5,009.31 = 1,147.76 : x
2. Step 2: Convert to fraction form
   3,339.32/5,009.31 = 1,147.76/x
3. Step 3: Cross multiply
   3,339.32x = 5,009.31 × 1,147.76
4. Step 4: Simplify right side
   3,339.32x = 5,749,460.60
5. Step 5: Solve for x
   x = 5,749,460.60/3,339.32
6. Step 6: Final answer
   x = 1,721.75