Finding the Fourth Proportional to 3,792.78, 5,685.96 and 1,817.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,792.78 : 5,685.96 = 1,817.34 : x
2. Step 2: Convert to fraction form
   3,792.78/5,685.96 = 1,817.34/x
3. Step 3: Cross multiply
   3,792.78x = 5,685.96 × 1,817.34
4. Step 4: Simplify right side
   3,792.78x = 10,333,322.55
5. Step 5: Solve for x
   x = 10,333,322.55/3,792.78
6. Step 6: Final answer
   x = 2,724.47