Finding the Fourth Proportional to 13,949.79, 19,250.71 and 7,662.16

Step by Step Solution

1. Step 1: Write the proportion equation
   13,949.79 : 19,250.71 = 7,662.16 : x
2. Step 2: Convert to fraction form
   13,949.79/19,250.71 = 7,662.16/x
3. Step 3: Cross multiply
   13,949.79x = 19,250.71 × 7,662.16
4. Step 4: Simplify right side
   13,949.79x = 147,502,020.13
5. Step 5: Solve for x
   x = 147,502,020.13/13,949.79
6. Step 6: Final answer
   x = 10,573.78