Finding the Fourth Proportional to 9,050.68, 12,489.82 and 5,071.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,050.68 : 12,489.82 = 5,071.76 : x
2. Step 2: Convert to fraction form
   9,050.68/12,489.82 = 5,071.76/x
3. Step 3: Cross multiply
   9,050.68x = 12,489.82 × 5,071.76
4. Step 4: Simplify right side
   9,050.68x = 63,345,369.48
5. Step 5: Solve for x
   x = 63,345,369.48/9,050.68
6. Step 6: Final answer
   x = 6,998.96