Finding the Fourth Proportional to 2,443.64, 3,667.58 and 2,057.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.64 : 3,667.58 = 2,057.87 : x
2. Step 2: Convert to fraction form
   2,443.64/3,667.58 = 2,057.87/x
3. Step 3: Cross multiply
   2,443.64x = 3,667.58 × 2,057.87
4. Step 4: Simplify right side
   2,443.64x = 7,547,409.45
5. Step 5: Solve for x
   x = 7,547,409.45/2,443.64
6. Step 6: Final answer
   x = 3,088.60