Finding the Fourth Proportional to 10,156.11, 14,016.73 and 5,680.11

Step by Step Solution

1. Step 1: Write the proportion equation
   10,156.11 : 14,016.73 = 5,680.11 : x
2. Step 2: Convert to fraction form
   10,156.11/14,016.73 = 5,680.11/x
3. Step 3: Cross multiply
   10,156.11x = 14,016.73 × 5,680.11
4. Step 4: Simplify right side
   10,156.11x = 79,616,498.16
5. Step 5: Solve for x
   x = 79,616,498.16/10,156.11
6. Step 6: Final answer
   x = 7,839.27