Finding the Fourth Proportional to 9,066.71, 12,511.23 and 5,087.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,066.71 : 12,511.23 = 5,087.09 : x
2. Step 2: Convert to fraction form
   9,066.71/12,511.23 = 5,087.09/x
3. Step 3: Cross multiply
   9,066.71x = 12,511.23 × 5,087.09
4. Step 4: Simplify right side
   9,066.71x = 63,645,765.22
5. Step 5: Solve for x
   x = 63,645,765.22/9,066.71
6. Step 6: Final answer
   x = 7,019.72