Finding the Fourth Proportional to 10,221.15, 14,164.38 and 10,024.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,221.15 : 14,164.38 = 10,024.32 : x
2. Step 2: Convert to fraction form
   10,221.15/14,164.38 = 10,024.32/x
3. Step 3: Cross multiply
   10,221.15x = 14,164.38 × 10,024.32
4. Step 4: Simplify right side
   10,221.15x = 141,988,277.72
5. Step 5: Solve for x
   x = 141,988,277.72/10,221.15
6. Step 6: Final answer
   x = 13,891.61