Finding the Fourth Proportional to 9,050.99, 12,489.69 and 5,071.33

Step by Step Solution

1. Step 1: Write the proportion equation
   9,050.99 : 12,489.69 = 5,071.33 : x
2. Step 2: Convert to fraction form
   9,050.99/12,489.69 = 5,071.33/x
3. Step 3: Cross multiply
   9,050.99x = 12,489.69 × 5,071.33
4. Step 4: Simplify right side
   9,050.99x = 63,339,366.56
5. Step 5: Solve for x
   x = 63,339,366.56/9,050.99
6. Step 6: Final answer
   x = 6,998.06