Finding the Fourth Proportional to 1,315.94, 1,973.91 and 536.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,315.94 : 1,973.91 = 536.27 : x
2. Step 2: Convert to fraction form
   1,315.94/1,973.91 = 536.27/x
3. Step 3: Cross multiply
   1,315.94x = 1,973.91 × 536.27
4. Step 4: Simplify right side
   1,315.94x = 1,058,548.72
5. Step 5: Solve for x
   x = 1,058,548.72/1,315.94
6. Step 6: Final answer
   x = 804.41