Finding the Fourth Proportional to 1,432.69, 1,977.17 and 803.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432.69 : 1,977.17 = 803.23 : x
2. Step 2: Convert to fraction form
   1,432.69/1,977.17 = 803.23/x
3. Step 3: Cross multiply
   1,432.69x = 1,977.17 × 803.23
4. Step 4: Simplify right side
   1,432.69x = 1,588,119.32
5. Step 5: Solve for x
   x = 1,588,119.32/1,432.69
6. Step 6: Final answer
   x = 1,108.49