Finding the Fourth Proportional to 2,476.63, 3,418.01 and 1,580.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,476.63 : 3,418.01 = 1,580.39 : x
2. Step 2: Convert to fraction form
   2,476.63/3,418.01 = 1,580.39/x
3. Step 3: Cross multiply
   2,476.63x = 3,418.01 × 1,580.39
4. Step 4: Simplify right side
   2,476.63x = 5,401,788.82
5. Step 5: Solve for x
   x = 5,401,788.82/2,476.63
6. Step 6: Final answer
   x = 2,181.10