Finding the Fourth Proportional to 3,339.31, 5,009.52 and 1,147.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,339.31 : 5,009.52 = 1,147.51 : x
2. Step 2: Convert to fraction form
   3,339.31/5,009.52 = 1,147.51/x
3. Step 3: Cross multiply
   3,339.31x = 5,009.52 × 1,147.51
4. Step 4: Simplify right side
   3,339.31x = 5,748,474.30
5. Step 5: Solve for x
   x = 5,748,474.30/3,339.31
6. Step 6: Final answer
   x = 1,721.46