Finding the Fourth Proportional to 1,435.62, 1,981.35 and 1,043.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.62 : 1,981.35 = 1,043.04 : x
2. Step 2: Convert to fraction form
   1,435.62/1,981.35 = 1,043.04/x
3. Step 3: Cross multiply
   1,435.62x = 1,981.35 × 1,043.04
4. Step 4: Simplify right side
   1,435.62x = 2,066,627.30
5. Step 5: Solve for x
   x = 2,066,627.30/1,435.62
6. Step 6: Final answer
   x = 1,439.54