Finding the Fourth Proportional to 9,049.86, 12,488.58 and 5,071.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,049.86 : 12,488.58 = 5,071.23 : x
2. Step 2: Convert to fraction form
   9,049.86/12,488.58 = 5,071.23/x
3. Step 3: Cross multiply
   9,049.86x = 12,488.58 × 5,071.23
4. Step 4: Simplify right side
   9,049.86x = 63,332,461.55
5. Step 5: Solve for x
   x = 63,332,461.55/9,049.86
6. Step 6: Final answer
   x = 6,998.17