Finding the Fourth Proportional to 32,811.96, 49,222.78 and 12,817.50

Step by Step Solution

1. Step 1: Write the proportion equation
   32,811.96 : 49,222.78 = 12,817.50 : x
2. Step 2: Convert to fraction form
   32,811.96/49,222.78 = 12,817.50/x
3. Step 3: Cross multiply
   32,811.96x = 49,222.78 × 12,817.50
4. Step 4: Simplify right side
   32,811.96x = 630,912,982.65
5. Step 5: Solve for x
   x = 630,912,982.65/32,811.96
6. Step 6: Final answer
   x = 19,228.14