Finding the Fourth Proportional to 3,535.69, 5,301.72 and 1,870.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,535.69 : 5,301.72 = 1,870.71 : x
2. Step 2: Convert to fraction form
   3,535.69/5,301.72 = 1,870.71/x
3. Step 3: Cross multiply
   3,535.69x = 5,301.72 × 1,870.71
4. Step 4: Simplify right side
   3,535.69x = 9,918,005.69
5. Step 5: Solve for x
   x = 9,918,005.69/3,535.69
6. Step 6: Final answer
   x = 2,805.11