Finding the Fourth Proportional to 1,178.69, 1,625.33 and 736.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,178.69 : 1,625.33 = 736.43 : x
2. Step 2: Convert to fraction form
   1,178.69/1,625.33 = 736.43/x
3. Step 3: Cross multiply
   1,178.69x = 1,625.33 × 736.43
4. Step 4: Simplify right side
   1,178.69x = 1,196,938.09
5. Step 5: Solve for x
   x = 1,196,938.09/1,178.69
6. Step 6: Final answer
   x = 1,015.48