Finding the Fourth Proportional to 10,144.54, 14,017.35 and 7,806.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,144.54 : 14,017.35 = 7,806.88 : x
2. Step 2: Convert to fraction form
   10,144.54/14,017.35 = 7,806.88/x
3. Step 3: Cross multiply
   10,144.54x = 14,017.35 × 7,806.88
4. Step 4: Simplify right side
   10,144.54x = 109,431,769.37
5. Step 5: Solve for x
   x = 109,431,769.37/10,144.54
6. Step 6: Final answer
   x = 10,787.26