Finding the Fourth Proportional to 2,424.47, 3,345.73 and 1,586.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,424.47 : 3,345.73 = 1,586.57 : x
2. Step 2: Convert to fraction form
   2,424.47/3,345.73 = 1,586.57/x
3. Step 3: Cross multiply
   2,424.47x = 3,345.73 × 1,586.57
4. Step 4: Simplify right side
   2,424.47x = 5,308,214.15
5. Step 5: Solve for x
   x = 5,308,214.15/2,424.47
6. Step 6: Final answer
   x = 2,189.44