Finding the Fourth Proportional to 13,949.72, 19,251.83 and 7,663.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,949.72 : 19,251.83 = 7,663.31 : x
2. Step 2: Convert to fraction form
   13,949.72/19,251.83 = 7,663.31/x
3. Step 3: Cross multiply
   13,949.72x = 19,251.83 × 7,663.31
4. Step 4: Simplify right side
   13,949.72x = 147,532,693.34
5. Step 5: Solve for x
   x = 147,532,693.34/13,949.72
6. Step 6: Final answer
   x = 10,576.03