Finding the Fourth Proportional to 32,789.42, 45,247.79 and 18,641.96

Step by Step Solution

1. Step 1: Write the proportion equation
   32,789.42 : 45,247.79 = 18,641.96 : x
2. Step 2: Convert to fraction form
   32,789.42/45,247.79 = 18,641.96/x
3. Step 3: Cross multiply
   32,789.42x = 45,247.79 × 18,641.96
4. Step 4: Simplify right side
   32,789.42x = 843,507,171.82
5. Step 5: Solve for x
   x = 843,507,171.82/32,789.42
6. Step 6: Final answer
   x = 25,724.98