Finding the Fourth Proportional to 12,311.46, 18,462.78 and 4,913.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,311.46 : 18,462.78 = 4,913.82 : x
2. Step 2: Convert to fraction form
   12,311.46/18,462.78 = 4,913.82/x
3. Step 3: Cross multiply
   12,311.46x = 18,462.78 × 4,913.82
4. Step 4: Simplify right side
   12,311.46x = 90,722,777.62
5. Step 5: Solve for x
   x = 90,722,777.62/12,311.46
6. Step 6: Final answer
   x = 7,368.97