Finding the Fourth Proportional to 3,590.64, 4,955.06 and 2,018.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,590.64 : 4,955.06 = 2,018.72 : x
2. Step 2: Convert to fraction form
   3,590.64/4,955.06 = 2,018.72/x
3. Step 3: Cross multiply
   3,590.64x = 4,955.06 × 2,018.72
4. Step 4: Simplify right side
   3,590.64x = 10,002,878.72
5. Step 5: Solve for x
   x = 10,002,878.72/3,590.64
6. Step 6: Final answer
   x = 2,785.82