Finding the Fourth Proportional to 2,031.63, 2,802.56 and 1,285.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.63 : 2,802.56 = 1,285.32 : x
2. Step 2: Convert to fraction form
   2,031.63/2,802.56 = 1,285.32/x
3. Step 3: Cross multiply
   2,031.63x = 2,802.56 × 1,285.32
4. Step 4: Simplify right side
   2,031.63x = 3,602,186.42
5. Step 5: Solve for x
   x = 3,602,186.42/2,031.63
6. Step 6: Final answer
   x = 1,773.05