Finding the Fourth Proportional to 1,160.50, 1,741.04 and 380.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,160.50 : 1,741.04 = 380.52 : x
2. Step 2: Convert to fraction form
   1,160.50/1,741.04 = 380.52/x
3. Step 3: Cross multiply
   1,160.50x = 1,741.04 × 380.52
4. Step 4: Simplify right side
   1,160.50x = 662,503.89
5. Step 5: Solve for x
   x = 662,503.89/1,160.50
6. Step 6: Final answer
   x = 570.88