Finding the Fourth Proportional to 9,007.01, 12,433.08 and 7,087.85

Step by Step Solution

1. Step 1: Write the proportion equation
   9,007.01 : 12,433.08 = 7,087.85 : x
2. Step 2: Convert to fraction form
   9,007.01/12,433.08 = 7,087.85/x
3. Step 3: Cross multiply
   9,007.01x = 12,433.08 × 7,087.85
4. Step 4: Simplify right side
   9,007.01x = 88,123,757.28
5. Step 5: Solve for x
   x = 88,123,757.28/9,007.01
6. Step 6: Final answer
   x = 9,783.91