Finding the Fourth Proportional to 1,160.72, 1,741.00 and 544.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,160.72 : 1,741.00 = 544.57 : x
2. Step 2: Convert to fraction form
   1,160.72/1,741.00 = 544.57/x
3. Step 3: Cross multiply
   1,160.72x = 1,741.00 × 544.57
4. Step 4: Simplify right side
   1,160.72x = 948,085.62
5. Step 5: Solve for x
   x = 948,085.62/1,160.72
6. Step 6: Final answer
   x = 816.81