Finding the Fourth Proportional to 10,116.36, 13,917.42 and 7,754.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,116.36 : 13,917.42 = 7,754.40 : x
2. Step 2: Convert to fraction form
   10,116.36/13,917.42 = 7,754.40/x
3. Step 3: Cross multiply
   10,116.36x = 13,917.42 × 7,754.40
4. Step 4: Simplify right side
   10,116.36x = 107,921,241.65
5. Step 5: Solve for x
   x = 107,921,241.65/10,116.36
6. Step 6: Final answer
   x = 10,667.99