Finding the Fourth Proportional to 9,422.60, 12,995.38 and 7,069.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,422.60 : 12,995.38 = 7,069.96 : x
2. Step 2: Convert to fraction form
   9,422.60/12,995.38 = 7,069.96/x
3. Step 3: Cross multiply
   9,422.60x = 12,995.38 × 7,069.96
4. Step 4: Simplify right side
   9,422.60x = 91,876,816.78
5. Step 5: Solve for x
   x = 91,876,816.78/9,422.60
6. Step 6: Final answer
   x = 9,750.69