Finding the Fourth Proportional to 33,588.72, 50,346.18 and 13,856.58

Step by Step Solution

1. Step 1: Write the proportion equation
   33,588.72 : 50,346.18 = 13,856.58 : x
2. Step 2: Convert to fraction form
   33,588.72/50,346.18 = 13,856.58/x
3. Step 3: Cross multiply
   33,588.72x = 50,346.18 × 13,856.58
4. Step 4: Simplify right side
   33,588.72x = 697,625,870.86
5. Step 5: Solve for x
   x = 697,625,870.86/33,588.72
6. Step 6: Final answer
   x = 20,769.65