Finding the Fourth Proportional to 10,774.09, 16,144.64 and 7,251.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,774.09 : 16,144.64 = 7,251.06 : x
2. Step 2: Convert to fraction form
   10,774.09/16,144.64 = 7,251.06/x
3. Step 3: Cross multiply
   10,774.09x = 16,144.64 × 7,251.06
4. Step 4: Simplify right side
   10,774.09x = 117,065,753.32
5. Step 5: Solve for x
   x = 117,065,753.32/10,774.09
6. Step 6: Final answer
   x = 10,865.49