Finding the Fourth Proportional to 7,194.69, 9,923.31 and 7,085.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,194.69 : 9,923.31 = 7,085.34 : x
2. Step 2: Convert to fraction form
   7,194.69/9,923.31 = 7,085.34/x
3. Step 3: Cross multiply
   7,194.69x = 9,923.31 × 7,085.34
4. Step 4: Simplify right side
   7,194.69x = 70,310,025.28
5. Step 5: Solve for x
   x = 70,310,025.28/7,194.69
6. Step 6: Final answer
   x = 9,772.49