Finding the Fourth Proportional to 2,795.88, 3,859.12 and 1,864.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,795.88 : 3,859.12 = 1,864.38 : x
2. Step 2: Convert to fraction form
   2,795.88/3,859.12 = 1,864.38/x
3. Step 3: Cross multiply
   2,795.88x = 3,859.12 × 1,864.38
4. Step 4: Simplify right side
   2,795.88x = 7,194,866.15
5. Step 5: Solve for x
   x = 7,194,866.15/2,795.88
6. Step 6: Final answer
   x = 2,573.38