Finding the Fourth Proportional to 13,949.34, 19,251.27 and 7,663.02

Step by Step Solution

1. Step 1: Write the proportion equation
   13,949.34 : 19,251.27 = 7,663.02 : x
2. Step 2: Convert to fraction form
   13,949.34/19,251.27 = 7,663.02/x
3. Step 3: Cross multiply
   13,949.34x = 19,251.27 × 7,663.02
4. Step 4: Simplify right side
   13,949.34x = 147,522,867.04
5. Step 5: Solve for x
   x = 147,522,867.04/13,949.34
6. Step 6: Final answer
   x = 10,575.62