Finding the Fourth Proportional to 2,699.98, 3,725.94 and 1,581.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,699.98 : 3,725.94 = 1,581.50 : x
2. Step 2: Convert to fraction form
   2,699.98/3,725.94 = 1,581.50/x
3. Step 3: Cross multiply
   2,699.98x = 3,725.94 × 1,581.50
4. Step 4: Simplify right side
   2,699.98x = 5,892,563.52
5. Step 5: Solve for x
   x = 5,892,563.52/2,699.98
6. Step 6: Final answer
   x = 2,182.45