Finding the Fourth Proportional to 1,728.83, 2,592.23 and 1,181.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,728.83 : 2,592.23 = 1,181.67 : x
2. Step 2: Convert to fraction form
   1,728.83/2,592.23 = 1,181.67/x
3. Step 3: Cross multiply
   1,728.83x = 2,592.23 × 1,181.67
4. Step 4: Simplify right side
   1,728.83x = 3,063,154.52
5. Step 5: Solve for x
   x = 3,063,154.52/1,728.83
6. Step 6: Final answer
   x = 1,771.81