Finding the Fourth Proportional to 1,437.34, 1,983.36 and 816.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,437.34 : 1,983.36 = 816.34 : x
2. Step 2: Convert to fraction form
   1,437.34/1,983.36 = 816.34/x
3. Step 3: Cross multiply
   1,437.34x = 1,983.36 × 816.34
4. Step 4: Simplify right side
   1,437.34x = 1,619,096.10
5. Step 5: Solve for x
   x = 1,619,096.10/1,437.34
6. Step 6: Final answer
   x = 1,126.45