Finding the Fourth Proportional to 9,050.37, 12,489.39 and 5,071.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,050.37 : 12,489.39 = 5,071.56 : x
2. Step 2: Convert to fraction form
   9,050.37/12,489.39 = 5,071.56/x
3. Step 3: Cross multiply
   9,050.37x = 12,489.39 × 5,071.56
4. Step 4: Simplify right side
   9,050.37x = 63,340,690.75
5. Step 5: Solve for x
   x = 63,340,690.75/9,050.37
6. Step 6: Final answer
   x = 6,998.69