Finding the Fourth Proportional to 14,012.46, 19,336.32 and 7,724.82

Step by Step Solution

1. Step 1: Write the proportion equation
   14,012.46 : 19,336.32 = 7,724.82 : x
2. Step 2: Convert to fraction form
   14,012.46/19,336.32 = 7,724.82/x
3. Step 3: Cross multiply
   14,012.46x = 19,336.32 × 7,724.82
4. Step 4: Simplify right side
   14,012.46x = 149,369,591.46
5. Step 5: Solve for x
   x = 149,369,591.46/14,012.46
6. Step 6: Final answer
   x = 10,659.77