Finding the Fourth Proportional to 1,229.88, 1,845.12 and 536.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,229.88 : 1,845.12 = 536.37 : x
2. Step 2: Convert to fraction form
   1,229.88/1,845.12 = 536.37/x
3. Step 3: Cross multiply
   1,229.88x = 1,845.12 × 536.37
4. Step 4: Simplify right side
   1,229.88x = 989,667.01
5. Step 5: Solve for x
   x = 989,667.01/1,229.88
6. Step 6: Final answer
   x = 804.69