Finding the Fourth Proportional to 2,457.34, 3,683.92 and 1,069.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,457.34 : 3,683.92 = 1,069.62 : x
2. Step 2: Convert to fraction form
   2,457.34/3,683.92 = 1,069.62/x
3. Step 3: Cross multiply
   2,457.34x = 3,683.92 × 1,069.62
4. Step 4: Simplify right side
   2,457.34x = 3,940,394.51
5. Step 5: Solve for x
   x = 3,940,394.51/2,457.34
6. Step 6: Final answer
   x = 1,603.52