Finding the Fourth Proportional to 9,976.50, 14,956.56 and 4,137.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,976.50 : 14,956.56 = 4,137.30 : x
2. Step 2: Convert to fraction form
   9,976.50/14,956.56 = 4,137.30/x
3. Step 3: Cross multiply
   9,976.50x = 14,956.56 × 4,137.30
4. Step 4: Simplify right side
   9,976.50x = 61,879,775.69
5. Step 5: Solve for x
   x = 61,879,775.69/9,976.50
6. Step 6: Final answer
   x = 6,202.55