Finding the Fourth Proportional to 3,912.69, 5,866.91 and 1,802.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,912.69 : 5,866.91 = 1,802.04 : x
2. Step 2: Convert to fraction form
   3,912.69/5,866.91 = 1,802.04/x
3. Step 3: Cross multiply
   3,912.69x = 5,866.91 × 1,802.04
4. Step 4: Simplify right side
   3,912.69x = 10,572,406.50
5. Step 5: Solve for x
   x = 10,572,406.50/3,912.69
6. Step 6: Final answer
   x = 2,702.08