Finding the Fourth Proportional to 9,066.89, 12,512.25 and 5,087.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,066.89 : 12,512.25 = 5,087.99 : x
2. Step 2: Convert to fraction form
   9,066.89/12,512.25 = 5,087.99/x
3. Step 3: Cross multiply
   9,066.89x = 12,512.25 × 5,087.99
4. Step 4: Simplify right side
   9,066.89x = 63,662,140.32
5. Step 5: Solve for x
   x = 63,662,140.32/9,066.89
6. Step 6: Final answer
   x = 7,021.39