Finding the Fourth Proportional to 7,133.43, 10,698.89 and 1,938.09

Step by Step Solution

1. Step 1: Write the proportion equation
   7,133.43 : 10,698.89 = 1,938.09 : x
2. Step 2: Convert to fraction form
   7,133.43/10,698.89 = 1,938.09/x
3. Step 3: Cross multiply
   7,133.43x = 10,698.89 × 1,938.09
4. Step 4: Simplify right side
   7,133.43x = 20,735,442.15
5. Step 5: Solve for x
   x = 20,735,442.15/7,133.43
6. Step 6: Final answer
   x = 2,906.80