Finding the Fourth Proportional to 1,938, 2,673.30 and 1,152

Step by Step Solution

1. Step 1: Write the proportion equation
   1,938 : 2,673.30 = 1,152 : x
2. Step 2: Convert to fraction form
   1,938/2,673.30 = 1,152/x
3. Step 3: Cross multiply
   1,938x = 2,673.30 × 1,152
4. Step 4: Simplify right side
   1,938x = 3,079,641.60
5. Step 5: Solve for x
   x = 3,079,641.60/1,938
6. Step 6: Final answer
   x = 1,589.08