Finding the Fourth Proportional to 2,409.72, 3,607.74 and 1,585.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,409.72 : 3,607.74 = 1,585.51 : x
2. Step 2: Convert to fraction form
   2,409.72/3,607.74 = 1,585.51/x
3. Step 3: Cross multiply
   2,409.72x = 3,607.74 × 1,585.51
4. Step 4: Simplify right side
   2,409.72x = 5,720,098.83
5. Step 5: Solve for x
   x = 5,720,098.83/2,409.72
6. Step 6: Final answer
   x = 2,373.76