Finding the Fourth Proportional to 2,443.62, 3,666.76 and 1,621.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.62 : 3,666.76 = 1,621.74 : x
2. Step 2: Convert to fraction form
   2,443.62/3,666.76 = 1,621.74/x
3. Step 3: Cross multiply
   2,443.62x = 3,666.76 × 1,621.74
4. Step 4: Simplify right side
   2,443.62x = 5,946,531.36
5. Step 5: Solve for x
   x = 5,946,531.36/2,443.62
6. Step 6: Final answer
   x = 2,433.49