Finding the Fourth Proportional to 3,564.60, 4,917.89 and 2,072.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,564.60 : 4,917.89 = 2,072.18 : x
2. Step 2: Convert to fraction form
   3,564.60/4,917.89 = 2,072.18/x
3. Step 3: Cross multiply
   3,564.60x = 4,917.89 × 2,072.18
4. Step 4: Simplify right side
   3,564.60x = 10,190,733.89
5. Step 5: Solve for x
   x = 10,190,733.89/3,564.60
6. Step 6: Final answer
   x = 2,858.87