Finding the Fourth Proportional to 9,066.57, 12,512.09 and 5,087.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,066.57 : 12,512.09 = 5,087.98 : x
2. Step 2: Convert to fraction form
   9,066.57/12,512.09 = 5,087.98/x
3. Step 3: Cross multiply
   9,066.57x = 12,512.09 × 5,087.98
4. Step 4: Simplify right side
   9,066.57x = 63,661,238.24
5. Step 5: Solve for x
   x = 63,661,238.24/9,066.57
6. Step 6: Final answer
   x = 7,021.53