Finding the Fourth Proportional to 13,150.32, 19,725.39 and 3,289.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,150.32 : 19,725.39 = 3,289.56 : x
2. Step 2: Convert to fraction form
   13,150.32/19,725.39 = 3,289.56/x
3. Step 3: Cross multiply
   13,150.32x = 19,725.39 × 3,289.56
4. Step 4: Simplify right side
   13,150.32x = 64,887,853.93
5. Step 5: Solve for x
   x = 64,887,853.93/13,150.32
6. Step 6: Final answer
   x = 4,934.32