Finding the Fourth Proportional to 1,081.56, 1,622.25 and 533.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,081.56 : 1,622.25 = 533.52 : x
2. Step 2: Convert to fraction form
   1,081.56/1,622.25 = 533.52/x
3. Step 3: Cross multiply
   1,081.56x = 1,622.25 × 533.52
4. Step 4: Simplify right side
   1,081.56x = 865,502.82
5. Step 5: Solve for x
   x = 865,502.82/1,081.56
6. Step 6: Final answer
   x = 800.24