Finding the Fourth Proportional to 1,914.23, 2,641.57 and 1,074.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,914.23 : 2,641.57 = 1,074.91 : x
2. Step 2: Convert to fraction form
   1,914.23/2,641.57 = 1,074.91/x
3. Step 3: Cross multiply
   1,914.23x = 2,641.57 × 1,074.91
4. Step 4: Simplify right side
   1,914.23x = 2,839,450.01
5. Step 5: Solve for x
   x = 2,839,450.01/1,914.23
6. Step 6: Final answer
   x = 1,483.34