Finding the Fourth Proportional to 3,869.52, 5,806.59 and 1,404.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,869.52 : 5,806.59 = 1,404.53 : x
2. Step 2: Convert to fraction form
   3,869.52/5,806.59 = 1,404.53/x
3. Step 3: Cross multiply
   3,869.52x = 5,806.59 × 1,404.53
4. Step 4: Simplify right side
   3,869.52x = 8,155,539.10
5. Step 5: Solve for x
   x = 8,155,539.10/3,869.52
6. Step 6: Final answer
   x = 2,107.64