Finding the Fourth Proportional to 1,302.72, 1,954.56 and 533.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,302.72 : 1,954.56 = 533.12 : x
2. Step 2: Convert to fraction form
   1,302.72/1,954.56 = 533.12/x
3. Step 3: Cross multiply
   1,302.72x = 1,954.56 × 533.12
4. Step 4: Simplify right side
   1,302.72x = 1,042,015.03
5. Step 5: Solve for x
   x = 1,042,015.03/1,302.72
6. Step 6: Final answer
   x = 799.88