Finding the Fourth Proportional to 10,215.22, 14,092.18 and 8,738.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,215.22 : 14,092.18 = 8,738.99 : x
2. Step 2: Convert to fraction form
   10,215.22/14,092.18 = 8,738.99/x
3. Step 3: Cross multiply
   10,215.22x = 14,092.18 × 8,738.99
4. Step 4: Simplify right side
   10,215.22x = 123,151,433.48
5. Step 5: Solve for x
   x = 123,151,433.48/10,215.22
6. Step 6: Final answer
   x = 12,055.68