Finding the Fourth Proportional to 13,995.87, 19,314.71 and 7,622.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,995.87 : 19,314.71 = 7,622.88 : x
2. Step 2: Convert to fraction form
   13,995.87/19,314.71 = 7,622.88/x
3. Step 3: Cross multiply
   13,995.87x = 19,314.71 × 7,622.88
4. Step 4: Simplify right side
   13,995.87x = 147,233,716.56
5. Step 5: Solve for x
   x = 147,233,716.56/13,995.87
6. Step 6: Final answer
   x = 10,519.80