Finding the Fourth Proportional to 3,861.76, 5,792.56 and 940.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,861.76 : 5,792.56 = 940.08 : x
2. Step 2: Convert to fraction form
   3,861.76/5,792.56 = 940.08/x
3. Step 3: Cross multiply
   3,861.76x = 5,792.56 × 940.08
4. Step 4: Simplify right side
   3,861.76x = 5,445,469.80
5. Step 5: Solve for x
   x = 5,445,469.80/3,861.76
6. Step 6: Final answer
   x = 1,410.10