Finding the Fourth Proportional to 9,460.96, 13,057.02 and 7,066.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,460.96 : 13,057.02 = 7,066.78 : x
2. Step 2: Convert to fraction form
   9,460.96/13,057.02 = 7,066.78/x
3. Step 3: Cross multiply
   9,460.96x = 13,057.02 × 7,066.78
4. Step 4: Simplify right side
   9,460.96x = 92,271,087.80
5. Step 5: Solve for x
   x = 92,271,087.80/9,460.96
6. Step 6: Final answer
   x = 9,752.83