Finding the Fourth Proportional to 7,278.23, 10,072.82 and 7,103.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,278.23 : 10,072.82 = 7,103.52 : x
2. Step 2: Convert to fraction form
   7,278.23/10,072.82 = 7,103.52/x
3. Step 3: Cross multiply
   7,278.23x = 10,072.82 × 7,103.52
4. Step 4: Simplify right side
   7,278.23x = 71,552,496.09
5. Step 5: Solve for x
   x = 71,552,496.09/7,278.23
6. Step 6: Final answer
   x = 9,831.03