Finding the Fourth Proportional to 3,505.72, 4,837.83 and 2,013.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,505.72 : 4,837.83 = 2,013.61 : x
2. Step 2: Convert to fraction form
   3,505.72/4,837.83 = 2,013.61/x
3. Step 3: Cross multiply
   3,505.72x = 4,837.83 × 2,013.61
4. Step 4: Simplify right side
   3,505.72x = 9,741,502.87
5. Step 5: Solve for x
   x = 9,741,502.87/3,505.72
6. Step 6: Final answer
   x = 2,778.75