Finding the Fourth Proportional to 2,031.01, 2,802.89 and 1,191.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.01 : 2,802.89 = 1,191.75 : x
2. Step 2: Convert to fraction form
   2,031.01/2,802.89 = 1,191.75/x
3. Step 3: Cross multiply
   2,031.01x = 2,802.89 × 1,191.75
4. Step 4: Simplify right side
   2,031.01x = 3,340,336.63
5. Step 5: Solve for x
   x = 3,340,336.63/2,031.01
6. Step 6: Final answer
   x = 1,644.67