Finding the Fourth Proportional to 2,193.38, 3,025.45 and 1,308.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,193.38 : 3,025.45 = 1,308.50 : x
2. Step 2: Convert to fraction form
   2,193.38/3,025.45 = 1,308.50/x
3. Step 3: Cross multiply
   2,193.38x = 3,025.45 × 1,308.50
4. Step 4: Simplify right side
   2,193.38x = 3,958,801.33
5. Step 5: Solve for x
   x = 3,958,801.33/2,193.38
6. Step 6: Final answer
   x = 1,804.89