Finding the Fourth Proportional to 7,233.30, 10,866.15 and 6,938.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,233.30 : 10,866.15 = 6,938.10 : x
2. Step 2: Convert to fraction form
   7,233.30/10,866.15 = 6,938.10/x
3. Step 3: Cross multiply
   7,233.30x = 10,866.15 × 6,938.10
4. Step 4: Simplify right side
   7,233.30x = 75,390,435.32
5. Step 5: Solve for x
   x = 75,390,435.32/7,233.30
6. Step 6: Final answer
   x = 10,422.69