Finding the Fourth Proportional to 1,194.09, 1,788.24 and 607.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,194.09 : 1,788.24 = 607.55 : x
2. Step 2: Convert to fraction form
   1,194.09/1,788.24 = 607.55/x
3. Step 3: Cross multiply
   1,194.09x = 1,788.24 × 607.55
4. Step 4: Simplify right side
   1,194.09x = 1,086,436.27
5. Step 5: Solve for x
   x = 1,086,436.27/1,194.09
6. Step 6: Final answer
   x = 909.84