Finding the Fourth Proportional to 2,525.50, 3,484.20 and 1,580.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525.50 : 3,484.20 = 1,580.90 : x
2. Step 2: Convert to fraction form
   2,525.50/3,484.20 = 1,580.90/x
3. Step 3: Cross multiply
   2,525.50x = 3,484.20 × 1,580.90
4. Step 4: Simplify right side
   2,525.50x = 5,508,171.78
5. Step 5: Solve for x
   x = 5,508,171.78/2,525.50
6. Step 6: Final answer
   x = 2,181.03