Finding the Fourth Proportional to 1,914.30, 2,641.78 and 1,074.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,914.30 : 2,641.78 = 1,074.97 : x
2. Step 2: Convert to fraction form
   1,914.30/2,641.78 = 1,074.97/x
3. Step 3: Cross multiply
   1,914.30x = 2,641.78 × 1,074.97
4. Step 4: Simplify right side
   1,914.30x = 2,839,838.89
5. Step 5: Solve for x
   x = 2,839,838.89/1,914.30
6. Step 6: Final answer
   x = 1,483.49