Finding the Fourth Proportional to 1,269.34, 1,752.06 and 803.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,269.34 : 1,752.06 = 803.86 : x
2. Step 2: Convert to fraction form
   1,269.34/1,752.06 = 803.86/x
3. Step 3: Cross multiply
   1,269.34x = 1,752.06 × 803.86
4. Step 4: Simplify right side
   1,269.34x = 1,408,410.95
5. Step 5: Solve for x
   x = 1,408,410.95/1,269.34
6. Step 6: Final answer
   x = 1,109.56