Finding the Fourth Proportional to 2,097.94, 2,895.30 and 1,388.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097.94 : 2,895.30 = 1,388.56 : x
2. Step 2: Convert to fraction form
   2,097.94/2,895.30 = 1,388.56/x
3. Step 3: Cross multiply
   2,097.94x = 2,895.30 × 1,388.56
4. Step 4: Simplify right side
   2,097.94x = 4,020,297.77
5. Step 5: Solve for x
   x = 4,020,297.77/2,097.94
6. Step 6: Final answer
   x = 1,916.31