Finding the Fourth Proportional to 1,182.78, 1,774.72 and 606.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182.78 : 1,774.72 = 606.06 : x
2. Step 2: Convert to fraction form
   1,182.78/1,774.72 = 606.06/x
3. Step 3: Cross multiply
   1,182.78x = 1,774.72 × 606.06
4. Step 4: Simplify right side
   1,182.78x = 1,075,586.80
5. Step 5: Solve for x
   x = 1,075,586.80/1,182.78
6. Step 6: Final answer
   x = 909.37