Finding the Fourth Proportional to 2,526, 3,484.89 and 1,581.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,526 : 3,484.89 = 1,581.40 : x
2. Step 2: Convert to fraction form
   2,526/3,484.89 = 1,581.40/x
3. Step 3: Cross multiply
   2,526x = 3,484.89 × 1,581.40
4. Step 4: Simplify right side
   2,526x = 5,511,005.05
5. Step 5: Solve for x
   x = 5,511,005.05/2,526
6. Step 6: Final answer
   x = 2,181.71