Finding the Fourth Proportional to 1,150.59, 1,724.69 and 533.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.59 : 1,724.69 = 533.79 : x
2. Step 2: Convert to fraction form
   1,150.59/1,724.69 = 533.79/x
3. Step 3: Cross multiply
   1,150.59x = 1,724.69 × 533.79
4. Step 4: Simplify right side
   1,150.59x = 920,619.61
5. Step 5: Solve for x
   x = 920,619.61/1,150.59
6. Step 6: Final answer
   x = 800.13