Finding the Fourth Proportional to 9,914.24, 13,681.67 and 5,438.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,914.24 : 13,681.67 = 5,438.03 : x
2. Step 2: Convert to fraction form
   9,914.24/13,681.67 = 5,438.03/x
3. Step 3: Cross multiply
   9,914.24x = 13,681.67 × 5,438.03
4. Step 4: Simplify right side
   9,914.24x = 74,401,277.10
5. Step 5: Solve for x
   x = 74,401,277.10/9,914.24
6. Step 6: Final answer
   x = 7,504.48