Finding the Fourth Proportional to 8,824.55, 13,233.31 and 3,890.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,824.55 : 13,233.31 = 3,890.69 : x
2. Step 2: Convert to fraction form
   8,824.55/13,233.31 = 3,890.69/x
3. Step 3: Cross multiply
   8,824.55x = 13,233.31 × 3,890.69
4. Step 4: Simplify right side
   8,824.55x = 51,486,706.88
5. Step 5: Solve for x
   x = 51,486,706.88/8,824.55
6. Step 6: Final answer
   x = 5,834.49