Finding the Fourth Proportional to 10,116.07, 13,960.24 and 5,640.11

Step by Step Solution

1. Step 1: Write the proportion equation
   10,116.07 : 13,960.24 = 5,640.11 : x
2. Step 2: Convert to fraction form
   10,116.07/13,960.24 = 5,640.11/x
3. Step 3: Cross multiply
   10,116.07x = 13,960.24 × 5,640.11
4. Step 4: Simplify right side
   10,116.07x = 78,737,191.22
5. Step 5: Solve for x
   x = 78,737,191.22/10,116.07
6. Step 6: Final answer
   x = 7,783.38