Finding the Fourth Proportional to 32,973.57, 45,499.86 and 18,631.86

Step by Step Solution

1. Step 1: Write the proportion equation
   32,973.57 : 45,499.86 = 18,631.86 : x
2. Step 2: Convert to fraction form
   32,973.57/45,499.86 = 18,631.86/x
3. Step 3: Cross multiply
   32,973.57x = 45,499.86 × 18,631.86
4. Step 4: Simplify right side
   32,973.57x = 847,747,021.54
5. Step 5: Solve for x
   x = 847,747,021.54/32,973.57
6. Step 6: Final answer
   x = 25,709.89