Finding the Fourth Proportional to 2,799.39, 4,193.22 and 1,871.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,799.39 : 4,193.22 = 1,871.94 : x
2. Step 2: Convert to fraction form
   2,799.39/4,193.22 = 1,871.94/x
3. Step 3: Cross multiply
   2,799.39x = 4,193.22 × 1,871.94
4. Step 4: Simplify right side
   2,799.39x = 7,849,456.25
5. Step 5: Solve for x
   x = 7,849,456.25/2,799.39
6. Step 6: Final answer
   x = 2,803.99