Finding the Fourth Proportional to 2,405.94, 3,603.15 and 1,853.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405.94 : 3,603.15 = 1,853.52 : x
2. Step 2: Convert to fraction form
   2,405.94/3,603.15 = 1,853.52/x
3. Step 3: Cross multiply
   2,405.94x = 3,603.15 × 1,853.52
4. Step 4: Simplify right side
   2,405.94x = 6,678,510.59
5. Step 5: Solve for x
   x = 6,678,510.59/2,405.94
6. Step 6: Final answer
   x = 2,775.84