Finding the Fourth Proportional to 8,234.83, 12,354.87 and 5,104.57

Step by Step Solution

1. Step 1: Write the proportion equation
   8,234.83 : 12,354.87 = 5,104.57 : x
2. Step 2: Convert to fraction form
   8,234.83/12,354.87 = 5,104.57/x
3. Step 3: Cross multiply
   8,234.83x = 12,354.87 × 5,104.57
4. Step 4: Simplify right side
   8,234.83x = 63,066,298.76
5. Step 5: Solve for x
   x = 63,066,298.76/8,234.83
6. Step 6: Final answer
   x = 7,658.48