Finding the Fourth Proportional to 2,099.52, 3,131.51 and 1,803.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099.52 : 3,131.51 = 1,803.59 : x
2. Step 2: Convert to fraction form
   2,099.52/3,131.51 = 1,803.59/x
3. Step 3: Cross multiply
   2,099.52x = 3,131.51 × 1,803.59
4. Step 4: Simplify right side
   2,099.52x = 5,647,966.14
5. Step 5: Solve for x
   x = 5,647,966.14/2,099.52
6. Step 6: Final answer
   x = 2,690.12