Finding the Fourth Proportional to 9,134.72, 12,605.94 and 4,942.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,134.72 : 12,605.94 = 4,942.98 : x
2. Step 2: Convert to fraction form
   9,134.72/12,605.94 = 4,942.98/x
3. Step 3: Cross multiply
   9,134.72x = 12,605.94 × 4,942.98
4. Step 4: Simplify right side
   9,134.72x = 62,310,909.30
5. Step 5: Solve for x
   x = 62,310,909.30/9,134.72
6. Step 6: Final answer
   x = 6,821.33