Finding the Fourth Proportional to 3,791.42, 5,685.63 and 1,816.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,791.42 : 5,685.63 = 1,816.50 : x
2. Step 2: Convert to fraction form
   3,791.42/5,685.63 = 1,816.50/x
3. Step 3: Cross multiply
   3,791.42x = 5,685.63 × 1,816.50
4. Step 4: Simplify right side
   3,791.42x = 10,327,946.90
5. Step 5: Solve for x
   x = 10,327,946.90/3,791.42
6. Step 6: Final answer
   x = 2,724.03