Finding the Fourth Proportional to 1,922.94, 2,864.57 and 1,803.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,922.94 : 2,864.57 = 1,803.42 : x
2. Step 2: Convert to fraction form
   1,922.94/2,864.57 = 1,803.42/x
3. Step 3: Cross multiply
   1,922.94x = 2,864.57 × 1,803.42
4. Step 4: Simplify right side
   1,922.94x = 5,166,013.81
5. Step 5: Solve for x
   x = 5,166,013.81/1,922.94
6. Step 6: Final answer
   x = 2,686.52