Finding the Fourth Proportional to 2,921.69, 4,031.57 and 1,802.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,921.69 : 4,031.57 = 1,802.37 : x
2. Step 2: Convert to fraction form
   2,921.69/4,031.57 = 1,802.37/x
3. Step 3: Cross multiply
   2,921.69x = 4,031.57 × 1,802.37
4. Step 4: Simplify right side
   2,921.69x = 7,266,385.33
5. Step 5: Solve for x
   x = 7,266,385.33/2,921.69
6. Step 6: Final answer
   x = 2,487.05