Finding the Fourth Proportional to 3,768.22, 5,646.59 and 1,916.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,768.22 : 5,646.59 = 1,916.56 : x
2. Step 2: Convert to fraction form
   3,768.22/5,646.59 = 1,916.56/x
3. Step 3: Cross multiply
   3,768.22x = 5,646.59 × 1,916.56
4. Step 4: Simplify right side
   3,768.22x = 10,821,990.71
5. Step 5: Solve for x
   x = 10,821,990.71/3,768.22
6. Step 6: Final answer
   x = 2,871.91