Finding the Fourth Proportional to 5,339.34, 8,009.25 and 1,641.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,339.34 : 8,009.25 = 1,641.72 : x
2. Step 2: Convert to fraction form
   5,339.34/8,009.25 = 1,641.72/x
3. Step 3: Cross multiply
   5,339.34x = 8,009.25 × 1,641.72
4. Step 4: Simplify right side
   5,339.34x = 13,148,945.91
5. Step 5: Solve for x
   x = 13,148,945.91/5,339.34
6. Step 6: Final answer
   x = 2,462.65