Finding the Fourth Proportional to 10,117.02, 13,960.10 and 5,640.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,117.02 : 13,960.10 = 5,640.24 : x
2. Step 2: Convert to fraction form
   10,117.02/13,960.10 = 5,640.24/x
3. Step 3: Cross multiply
   10,117.02x = 13,960.10 × 5,640.24
4. Step 4: Simplify right side
   10,117.02x = 78,738,314.42
5. Step 5: Solve for x
   x = 78,738,314.42/10,117.02
6. Step 6: Final answer
   x = 7,782.76