Finding the Fourth Proportional to 1,806.37, 2,709.01 and 766.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,806.37 : 2,709.01 = 766.34 : x
2. Step 2: Convert to fraction form
   1,806.37/2,709.01 = 766.34/x
3. Step 3: Cross multiply
   1,806.37x = 2,709.01 × 766.34
4. Step 4: Simplify right side
   1,806.37x = 2,076,022.72
5. Step 5: Solve for x
   x = 2,076,022.72/1,806.37
6. Step 6: Final answer
   x = 1,149.28