Finding the Fourth Proportional to 10,156.65, 14,016.48 and 5,680.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,156.65 : 14,016.48 = 5,680.59 : x
2. Step 2: Convert to fraction form
   10,156.65/14,016.48 = 5,680.59/x
3. Step 3: Cross multiply
   10,156.65x = 14,016.48 × 5,680.59
4. Step 4: Simplify right side
   10,156.65x = 79,621,876.12
5. Step 5: Solve for x
   x = 79,621,876.12/10,156.65
6. Step 6: Final answer
   x = 7,839.38