Finding the Fourth Proportional to 1,957.42, 2,938.56 and 1,792.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,957.42 : 2,938.56 = 1,792.18 : x
2. Step 2: Convert to fraction form
   1,957.42/2,938.56 = 1,792.18/x
3. Step 3: Cross multiply
   1,957.42x = 2,938.56 × 1,792.18
4. Step 4: Simplify right side
   1,957.42x = 5,266,428.46
5. Step 5: Solve for x
   x = 5,266,428.46/1,957.42
6. Step 6: Final answer
   x = 2,690.49