Finding the Fourth Proportional to 3,546.86, 5,320.33 and 1,081.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,546.86 : 5,320.33 = 1,081.73 : x
2. Step 2: Convert to fraction form
   3,546.86/5,320.33 = 1,081.73/x
3. Step 3: Cross multiply
   3,546.86x = 5,320.33 × 1,081.73
4. Step 4: Simplify right side
   3,546.86x = 5,755,171.17
5. Step 5: Solve for x
   x = 5,755,171.17/3,546.86
6. Step 6: Final answer
   x = 1,622.61