Finding the Fourth Proportional to 3,753.56, 5,624.46 and 2,189.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,753.56 : 5,624.46 = 2,189.69 : x
2. Step 2: Convert to fraction form
   3,753.56/5,624.46 = 2,189.69/x
3. Step 3: Cross multiply
   3,753.56x = 5,624.46 × 2,189.69
4. Step 4: Simplify right side
   3,753.56x = 12,315,823.82
5. Step 5: Solve for x
   x = 12,315,823.82/3,753.56
6. Step 6: Final answer
   x = 3,281.10