Finding the Fourth Proportional to 1,156.89, 1,732.91 and 541.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.89 : 1,732.91 = 541.09 : x
2. Step 2: Convert to fraction form
   1,156.89/1,732.91 = 541.09/x
3. Step 3: Cross multiply
   1,156.89x = 1,732.91 × 541.09
4. Step 4: Simplify right side
   1,156.89x = 937,653.23
5. Step 5: Solve for x
   x = 937,653.23/1,156.89
6. Step 6: Final answer
   x = 810.49