Finding the Fourth Proportional to 1,914.34, 2,641.57 and 1,074.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,914.34 : 2,641.57 = 1,074.87 : x
2. Step 2: Convert to fraction form
   1,914.34/2,641.57 = 1,074.87/x
3. Step 3: Cross multiply
   1,914.34x = 2,641.57 × 1,074.87
4. Step 4: Simplify right side
   1,914.34x = 2,839,344.35
5. Step 5: Solve for x
   x = 2,839,344.35/1,914.34
6. Step 6: Final answer
   x = 1,483.20