Finding the Fourth Proportional to 3,606.36, 5,407.86 and 1,874.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,606.36 : 5,407.86 = 1,874.52 : x
2. Step 2: Convert to fraction form
   3,606.36/5,407.86 = 1,874.52/x
3. Step 3: Cross multiply
   3,606.36x = 5,407.86 × 1,874.52
4. Step 4: Simplify right side
   3,606.36x = 10,137,141.73
5. Step 5: Solve for x
   x = 10,137,141.73/3,606.36
6. Step 6: Final answer
   x = 2,810.91