Finding the Fourth Proportional to 1,433.14, 1,977.61 and 803.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.14 : 1,977.61 = 803.62 : x
2. Step 2: Convert to fraction form
   1,433.14/1,977.61 = 803.62/x
3. Step 3: Cross multiply
   1,433.14x = 1,977.61 × 803.62
4. Step 4: Simplify right side
   1,433.14x = 1,589,246.95
5. Step 5: Solve for x
   x = 1,589,246.95/1,433.14
6. Step 6: Final answer
   x = 1,108.93