Finding the Fourth Proportional to 3,871.95, 5,803.79 and 1,789.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,871.95 : 5,803.79 = 1,789.53 : x
2. Step 2: Convert to fraction form
   3,871.95/5,803.79 = 1,789.53/x
3. Step 3: Cross multiply
   3,871.95x = 5,803.79 × 1,789.53
4. Step 4: Simplify right side
   3,871.95x = 10,386,047.37
5. Step 5: Solve for x
   x = 10,386,047.37/3,871.95
6. Step 6: Final answer
   x = 2,682.38