Finding the Fourth Proportional to 10,116.32, 13,960.94 and 5,640.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,116.32 : 13,960.94 = 5,640.06 : x
2. Step 2: Convert to fraction form
   10,116.32/13,960.94 = 5,640.06/x
3. Step 3: Cross multiply
   10,116.32x = 13,960.94 × 5,640.06
4. Step 4: Simplify right side
   10,116.32x = 78,740,539.26
5. Step 5: Solve for x
   x = 78,740,539.26/10,116.32
6. Step 6: Final answer
   x = 7,783.52