Finding the Fourth Proportional to 2,031.57, 2,803.56 and 1,100.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.57 : 2,803.56 = 1,100.07 : x
2. Step 2: Convert to fraction form
   2,031.57/2,803.56 = 1,100.07/x
3. Step 3: Cross multiply
   2,031.57x = 2,803.56 × 1,100.07
4. Step 4: Simplify right side
   2,031.57x = 3,084,112.25
5. Step 5: Solve for x
   x = 3,084,112.25/2,031.57
6. Step 6: Final answer
   x = 1,518.09