Finding the Fourth Proportional to 3,528.69, 4,870.11 and 2,036.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,528.69 : 4,870.11 = 2,036.31 : x
2. Step 2: Convert to fraction form
   3,528.69/4,870.11 = 2,036.31/x
3. Step 3: Cross multiply
   3,528.69x = 4,870.11 × 2,036.31
4. Step 4: Simplify right side
   3,528.69x = 9,917,053.69
5. Step 5: Solve for x
   x = 9,917,053.69/3,528.69
6. Step 6: Final answer
   x = 2,810.41