Finding the Fourth Proportional to 3,789.61, 5,685.78 and 1,941.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,789.61 : 5,685.78 = 1,941.60 : x
2. Step 2: Convert to fraction form
   3,789.61/5,685.78 = 1,941.60/x
3. Step 3: Cross multiply
   3,789.61x = 5,685.78 × 1,941.60
4. Step 4: Simplify right side
   3,789.61x = 11,039,510.45
5. Step 5: Solve for x
   x = 11,039,510.45/3,789.61
6. Step 6: Final answer
   x = 2,913.10