Finding the Fourth Proportional to 10,724.50, 14,868.87 and 10,164.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,724.50 : 14,868.87 = 10,164.08 : x
2. Step 2: Convert to fraction form
   10,724.50/14,868.87 = 10,164.08/x
3. Step 3: Cross multiply
   10,724.50x = 14,868.87 × 10,164.08
4. Step 4: Simplify right side
   10,724.50x = 151,128,383.25
5. Step 5: Solve for x
   x = 151,128,383.25/10,724.50
6. Step 6: Final answer
   x = 14,091.88