Finding the Fourth Proportional to 9,066.63, 12,512.12 and 5,087.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,066.63 : 12,512.12 = 5,087.99 : x
2. Step 2: Convert to fraction form
   9,066.63/12,512.12 = 5,087.99/x
3. Step 3: Cross multiply
   9,066.63x = 12,512.12 × 5,087.99
4. Step 4: Simplify right side
   9,066.63x = 63,661,540.71
5. Step 5: Solve for x
   x = 63,661,540.71/9,066.63
6. Step 6: Final answer
   x = 7,021.52