Finding the Fourth Proportional to 3,505.59, 4,837.71 and 2,013.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,505.59 : 4,837.71 = 2,013.60 : x
2. Step 2: Convert to fraction form
   3,505.59/4,837.71 = 2,013.60/x
3. Step 3: Cross multiply
   3,505.59x = 4,837.71 × 2,013.60
4. Step 4: Simplify right side
   3,505.59x = 9,741,212.86
5. Step 5: Solve for x
   x = 9,741,212.86/3,505.59
6. Step 6: Final answer
   x = 2,778.77