Finding the Fourth Proportional to 1,938.42, 2,912.70 and 1,061.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,938.42 : 2,912.70 = 1,061.49 : x
2. Step 2: Convert to fraction form
   1,938.42/2,912.70 = 1,061.49/x
3. Step 3: Cross multiply
   1,938.42x = 2,912.70 × 1,061.49
4. Step 4: Simplify right side
   1,938.42x = 3,091,801.92
5. Step 5: Solve for x
   x = 3,091,801.92/1,938.42
6. Step 6: Final answer
   x = 1,595.01