Finding the Fourth Proportional to 3,938.22, 5,918.13 and 3,792.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,938.22 : 5,918.13 = 3,792.42 : x
2. Step 2: Convert to fraction form
   3,938.22/5,918.13 = 3,792.42/x
3. Step 3: Cross multiply
   3,938.22x = 5,918.13 × 3,792.42
4. Step 4: Simplify right side
   3,938.22x = 22,444,034.57
5. Step 5: Solve for x
   x = 22,444,034.57/3,938.22
6. Step 6: Final answer
   x = 5,699.03