Finding the Fourth Proportional to 10,476.37, 14,440.56 and 9,617.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,476.37 : 14,440.56 = 9,617.98 : x
2. Step 2: Convert to fraction form
   10,476.37/14,440.56 = 9,617.98/x
3. Step 3: Cross multiply
   10,476.37x = 14,440.56 × 9,617.98
4. Step 4: Simplify right side
   10,476.37x = 138,889,017.27
5. Step 5: Solve for x
   x = 138,889,017.27/10,476.37
6. Step 6: Final answer
   x = 13,257.36