Finding the Fourth Proportional to 2,031.07, 2,802.68 and 1,612.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.07 : 2,802.68 = 1,612.43 : x
2. Step 2: Convert to fraction form
   2,031.07/2,802.68 = 1,612.43/x
3. Step 3: Cross multiply
   2,031.07x = 2,802.68 × 1,612.43
4. Step 4: Simplify right side
   2,031.07x = 4,519,130.30
5. Step 5: Solve for x
   x = 4,519,130.30/2,031.07
6. Step 6: Final answer
   x = 2,225.00