Finding the Fourth Proportional to 2,851.68, 3,935.61 and 1,803

Step by Step Solution

1. Step 1: Write the proportion equation
   2,851.68 : 3,935.61 = 1,803 : x
2. Step 2: Convert to fraction form
   2,851.68/3,935.61 = 1,803/x
3. Step 3: Cross multiply
   2,851.68x = 3,935.61 × 1,803
4. Step 4: Simplify right side
   2,851.68x = 7,095,904.83
5. Step 5: Solve for x
   x = 7,095,904.83/2,851.68
6. Step 6: Final answer
   x = 2,488.32