Finding the Fourth Proportional to 1,433.02, 1,977.74 and 803.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.02 : 1,977.74 = 803.72 : x
2. Step 2: Convert to fraction form
   1,433.02/1,977.74 = 803.72/x
3. Step 3: Cross multiply
   1,433.02x = 1,977.74 × 803.72
4. Step 4: Simplify right side
   1,433.02x = 1,589,549.19
5. Step 5: Solve for x
   x = 1,589,549.19/1,433.02
6. Step 6: Final answer
   x = 1,109.23