Finding the Fourth Proportional to 8,900.39, 12,282.24 and 5,123.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,900.39 : 12,282.24 = 5,123.03 : x
2. Step 2: Convert to fraction form
   8,900.39/12,282.24 = 5,123.03/x
3. Step 3: Cross multiply
   8,900.39x = 12,282.24 × 5,123.03
4. Step 4: Simplify right side
   8,900.39x = 62,922,314.69
5. Step 5: Solve for x
   x = 62,922,314.69/8,900.39
6. Step 6: Final answer
   x = 7,069.61