Finding the Fourth Proportional to 1,898.57, 2,846.22 and 803.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,898.57 : 2,846.22 = 803.72 : x
2. Step 2: Convert to fraction form
   1,898.57/2,846.22 = 803.72/x
3. Step 3: Cross multiply
   1,898.57x = 2,846.22 × 803.72
4. Step 4: Simplify right side
   1,898.57x = 2,287,563.94
5. Step 5: Solve for x
   x = 2,287,563.94/1,898.57
6. Step 6: Final answer
   x = 1,204.89