Finding the Fourth Proportional to 34,806.50, 52,209.68 and 12,619.83

Step by Step Solution

1. Step 1: Write the proportion equation
   34,806.50 : 52,209.68 = 12,619.83 : x
2. Step 2: Convert to fraction form
   34,806.50/52,209.68 = 12,619.83/x
3. Step 3: Cross multiply
   34,806.50x = 52,209.68 × 12,619.83
4. Step 4: Simplify right side
   34,806.50x = 658,877,222.86
5. Step 5: Solve for x
   x = 658,877,222.86/34,806.50
6. Step 6: Final answer
   x = 18,929.72