Finding the Fourth Proportional to 1,333.64, 1,834.56 and 1,084.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.64 : 1,834.56 = 1,084.41 : x
2. Step 2: Convert to fraction form
   1,333.64/1,834.56 = 1,084.41/x
3. Step 3: Cross multiply
   1,333.64x = 1,834.56 × 1,084.41
4. Step 4: Simplify right side
   1,333.64x = 1,989,415.21
5. Step 5: Solve for x
   x = 1,989,415.21/1,333.64
6. Step 6: Final answer
   x = 1,491.72