Finding the Fourth Proportional to 9,141.62, 13,698.04 and 7,066.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,141.62 : 13,698.04 = 7,066.70 : x
2. Step 2: Convert to fraction form
   9,141.62/13,698.04 = 7,066.70/x
3. Step 3: Cross multiply
   9,141.62x = 13,698.04 × 7,066.70
4. Step 4: Simplify right side
   9,141.62x = 96,799,939.27
5. Step 5: Solve for x
   x = 96,799,939.27/9,141.62
6. Step 6: Final answer
   x = 10,588.93