Finding the Fourth Proportional to 10,216.95, 14,100.03 and 5,680.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,216.95 : 14,100.03 = 5,680.28 : x
2. Step 2: Convert to fraction form
   10,216.95/14,100.03 = 5,680.28/x
3. Step 3: Cross multiply
   10,216.95x = 14,100.03 × 5,680.28
4. Step 4: Simplify right side
   10,216.95x = 80,092,047.91
5. Step 5: Solve for x
   x = 80,092,047.91/10,216.95
6. Step 6: Final answer
   x = 7,839.13