Finding the Fourth Proportional to 1,151.34, 1,724.61 and 535.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.34 : 1,724.61 = 535.58 : x
2. Step 2: Convert to fraction form
   1,151.34/1,724.61 = 535.58/x
3. Step 3: Cross multiply
   1,151.34x = 1,724.61 × 535.58
4. Step 4: Simplify right side
   1,151.34x = 923,658.00
5. Step 5: Solve for x
   x = 923,658.00/1,151.34
6. Step 6: Final answer
   x = 802.25