Finding the Fourth Proportional to 1,152.59, 1,729.23 and 536.66

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152.59 : 1,729.23 = 536.66 : x
2. Step 2: Convert to fraction form
   1,152.59/1,729.23 = 536.66/x
3. Step 3: Cross multiply
   1,152.59x = 1,729.23 × 536.66
4. Step 4: Simplify right side
   1,152.59x = 928,002.91
5. Step 5: Solve for x
   x = 928,002.91/1,152.59
6. Step 6: Final answer
   x = 805.15