Finding the Fourth Proportional to 9,071.38, 12,517.81 and 5,091.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,071.38 : 12,517.81 = 5,091.71 : x
2. Step 2: Convert to fraction form
   9,071.38/12,517.81 = 5,091.71/x
3. Step 3: Cross multiply
   9,071.38x = 12,517.81 × 5,091.71
4. Step 4: Simplify right side
   9,071.38x = 63,737,053.45
5. Step 5: Solve for x
   x = 63,737,053.45/9,071.38
6. Step 6: Final answer
   x = 7,026.17