Finding the Fourth Proportional to 10,116.56, 13,960.32 and 5,579.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,116.56 : 13,960.32 = 5,579.98 : x
2. Step 2: Convert to fraction form
   10,116.56/13,960.32 = 5,579.98/x
3. Step 3: Cross multiply
   10,116.56x = 13,960.32 × 5,579.98
4. Step 4: Simplify right side
   10,116.56x = 77,898,306.39
5. Step 5: Solve for x
   x = 77,898,306.39/10,116.56
6. Step 6: Final answer
   x = 7,700.08