Finding the Fourth Proportional to 8,864.50, 13,297.39 and 3,392.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,864.50 : 13,297.39 = 3,392.50 : x
2. Step 2: Convert to fraction form
   8,864.50/13,297.39 = 3,392.50/x
3. Step 3: Cross multiply
   8,864.50x = 13,297.39 × 3,392.50
4. Step 4: Simplify right side
   8,864.50x = 45,111,395.58
5. Step 5: Solve for x
   x = 45,111,395.58/8,864.50
6. Step 6: Final answer
   x = 5,088.99