Finding the Fourth Proportional to 19,234.83, 28,830.38 and 8,134.59

Step by Step Solution

1. Step 1: Write the proportion equation
   19,234.83 : 28,830.38 = 8,134.59 : x
2. Step 2: Convert to fraction form
   19,234.83/28,830.38 = 8,134.59/x
3. Step 3: Cross multiply
   19,234.83x = 28,830.38 × 8,134.59
4. Step 4: Simplify right side
   19,234.83x = 234,523,280.17
5. Step 5: Solve for x
   x = 234,523,280.17/19,234.83
6. Step 6: Final answer
   x = 12,192.64