Finding the Fourth Proportional to 8,868.72, 13,301.04 and 4,487.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,868.72 : 13,301.04 = 4,487.12 : x
2. Step 2: Convert to fraction form
   8,868.72/13,301.04 = 4,487.12/x
3. Step 3: Cross multiply
   8,868.72x = 13,301.04 × 4,487.12
4. Step 4: Simplify right side
   8,868.72x = 59,683,362.60
5. Step 5: Solve for x
   x = 59,683,362.60/8,868.72
6. Step 6: Final answer
   x = 6,729.65