Finding the Fourth Proportional to 2,406.42, 3,610.17 and 1,865.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.42 : 3,610.17 = 1,865.34 : x
2. Step 2: Convert to fraction form
   2,406.42/3,610.17 = 1,865.34/x
3. Step 3: Cross multiply
   2,406.42x = 3,610.17 × 1,865.34
4. Step 4: Simplify right side
   2,406.42x = 6,734,194.51
5. Step 5: Solve for x
   x = 6,734,194.51/2,406.42
6. Step 6: Final answer
   x = 2,798.43