Finding the Fourth Proportional to 1,151.59, 1,726.18 and 534.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.59 : 1,726.18 = 534.79 : x
2. Step 2: Convert to fraction form
   1,151.59/1,726.18 = 534.79/x
3. Step 3: Cross multiply
   1,151.59x = 1,726.18 × 534.79
4. Step 4: Simplify right side
   1,151.59x = 923,143.80
5. Step 5: Solve for x
   x = 923,143.80/1,151.59
6. Step 6: Final answer
   x = 801.63