Finding the Fourth Proportional to 3,564.77, 4,918.59 and 2,071.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,564.77 : 4,918.59 = 2,071.91 : x
2. Step 2: Convert to fraction form
   3,564.77/4,918.59 = 2,071.91/x
3. Step 3: Cross multiply
   3,564.77x = 4,918.59 × 2,071.91
4. Step 4: Simplify right side
   3,564.77x = 10,190,888.10
5. Step 5: Solve for x
   x = 10,190,888.10/3,564.77
6. Step 6: Final answer
   x = 2,858.78