Finding the Fourth Proportional to 32,856.55, 49,279.42 and 9,165.72

Step by Step Solution

1. Step 1: Write the proportion equation
   32,856.55 : 49,279.42 = 9,165.72 : x
2. Step 2: Convert to fraction form
   32,856.55/49,279.42 = 9,165.72/x
3. Step 3: Cross multiply
   32,856.55x = 49,279.42 × 9,165.72
4. Step 4: Simplify right side
   32,856.55x = 451,681,365.48
5. Step 5: Solve for x
   x = 451,681,365.48/32,856.55
6. Step 6: Final answer
   x = 13,747.07