Finding the Fourth Proportional to 12,359.50, 18,540.04 and 4,962.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,359.50 : 18,540.04 = 4,962.98 : x
2. Step 2: Convert to fraction form
   12,359.50/18,540.04 = 4,962.98/x
3. Step 3: Cross multiply
   12,359.50x = 18,540.04 × 4,962.98
4. Step 4: Simplify right side
   12,359.50x = 92,013,847.72
5. Step 5: Solve for x
   x = 92,013,847.72/12,359.50
6. Step 6: Final answer
   x = 7,444.79