Finding the Fourth Proportional to 1,375.52, 1,898.17 and 816.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375.52 : 1,898.17 = 816.04 : x
2. Step 2: Convert to fraction form
   1,375.52/1,898.17 = 816.04/x
3. Step 3: Cross multiply
   1,375.52x = 1,898.17 × 816.04
4. Step 4: Simplify right side
   1,375.52x = 1,548,982.98
5. Step 5: Solve for x
   x = 1,548,982.98/1,375.52
6. Step 6: Final answer
   x = 1,126.11