Finding the Fourth Proportional to 10,724.36, 14,781.13 and 7,132.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,724.36 : 14,781.13 = 7,132.89 : x
2. Step 2: Convert to fraction form
   10,724.36/14,781.13 = 7,132.89/x
3. Step 3: Cross multiply
   10,724.36x = 14,781.13 × 7,132.89
4. Step 4: Simplify right side
   10,724.36x = 105,432,174.37
5. Step 5: Solve for x
   x = 105,432,174.37/10,724.36
6. Step 6: Final answer
   x = 9,831.09