Finding the Fourth Proportional to 10,412.32, 14,376.12 and 7,724.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,412.32 : 14,376.12 = 7,724.24 : x
2. Step 2: Convert to fraction form
   10,412.32/14,376.12 = 7,724.24/x
3. Step 3: Cross multiply
   10,412.32x = 14,376.12 × 7,724.24
4. Step 4: Simplify right side
   10,412.32x = 111,044,601.15
5. Step 5: Solve for x
   x = 111,044,601.15/10,412.32
6. Step 6: Final answer
   x = 10,664.73