Finding the Fourth Proportional to 10,244.60, 15,371.49 and 4,976.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,244.60 : 15,371.49 = 4,976.72 : x
2. Step 2: Convert to fraction form
   10,244.60/15,371.49 = 4,976.72/x
3. Step 3: Cross multiply
   10,244.60x = 15,371.49 × 4,976.72
4. Step 4: Simplify right side
   10,244.60x = 76,499,601.71
5. Step 5: Solve for x
   x = 76,499,601.71/10,244.60
6. Step 6: Final answer
   x = 7,467.31