Finding the Fourth Proportional to 3,868.93, 5,803.72 and 1,236.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,868.93 : 5,803.72 = 1,236.82 : x
2. Step 2: Convert to fraction form
   3,868.93/5,803.72 = 1,236.82/x
3. Step 3: Cross multiply
   3,868.93x = 5,803.72 × 1,236.82
4. Step 4: Simplify right side
   3,868.93x = 7,178,150.25
5. Step 5: Solve for x
   x = 7,178,150.25/3,868.93
6. Step 6: Final answer
   x = 1,855.33