Finding the Fourth Proportional to 32,834.34, 45,311.94 and 18,688.50

Step by Step Solution

1. Step 1: Write the proportion equation
   32,834.34 : 45,311.94 = 18,688.50 : x
2. Step 2: Convert to fraction form
   32,834.34/45,311.94 = 18,688.50/x
3. Step 3: Cross multiply
   32,834.34x = 45,311.94 × 18,688.50
4. Step 4: Simplify right side
   32,834.34x = 846,812,190.69
5. Step 5: Solve for x
   x = 846,812,190.69/32,834.34
6. Step 6: Final answer
   x = 25,790.44