Finding the Fourth Proportional to 1,159.52, 1,737.69 and 541.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,159.52 : 1,737.69 = 541.89 : x
2. Step 2: Convert to fraction form
   1,159.52/1,737.69 = 541.89/x
3. Step 3: Cross multiply
   1,159.52x = 1,737.69 × 541.89
4. Step 4: Simplify right side
   1,159.52x = 941,634.80
5. Step 5: Solve for x
   x = 941,634.80/1,159.52
6. Step 6: Final answer
   x = 812.09