Finding the Fourth Proportional to 2,886.72, 4,329.54 and 1,797.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,886.72 : 4,329.54 = 1,797.81 : x
2. Step 2: Convert to fraction form
   2,886.72/4,329.54 = 1,797.81/x
3. Step 3: Cross multiply
   2,886.72x = 4,329.54 × 1,797.81
4. Step 4: Simplify right side
   2,886.72x = 7,783,690.31
5. Step 5: Solve for x
   x = 7,783,690.31/2,886.72
6. Step 6: Final answer
   x = 2,696.38