Finding the Fourth Proportional to 2,031.83, 2,802.89 and 1,284.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.83 : 2,802.89 = 1,284.53 : x
2. Step 2: Convert to fraction form
   2,031.83/2,802.89 = 1,284.53/x
3. Step 3: Cross multiply
   2,031.83x = 2,802.89 × 1,284.53
4. Step 4: Simplify right side
   2,031.83x = 3,600,406.51
5. Step 5: Solve for x
   x = 3,600,406.51/2,031.83
6. Step 6: Final answer
   x = 1,772.01