Finding the Fourth Proportional to 10,940.22, 16,430.09 and 10,061.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,940.22 : 16,430.09 = 10,061.10 : x
2. Step 2: Convert to fraction form
   10,940.22/16,430.09 = 10,061.10/x
3. Step 3: Cross multiply
   10,940.22x = 16,430.09 × 10,061.10
4. Step 4: Simplify right side
   10,940.22x = 165,304,728.19
5. Step 5: Solve for x
   x = 165,304,728.19/10,940.22
6. Step 6: Final answer
   x = 15,109.82