Finding the Fourth Proportional to 2,041.18, 2,814.42 and 1,889.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,041.18 : 2,814.42 = 1,889.86 : x
2. Step 2: Convert to fraction form
   2,041.18/2,814.42 = 1,889.86/x
3. Step 3: Cross multiply
   2,041.18x = 2,814.42 × 1,889.86
4. Step 4: Simplify right side
   2,041.18x = 5,318,856.21
5. Step 5: Solve for x
   x = 5,318,856.21/2,041.18
6. Step 6: Final answer
   x = 2,605.78