Finding the Fourth Proportional to 5,768.82, 7,961.16 and 3,531.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,768.82 : 7,961.16 = 3,531.72 : x
2. Step 2: Convert to fraction form
   5,768.82/7,961.16 = 3,531.72/x
3. Step 3: Cross multiply
   5,768.82x = 7,961.16 × 3,531.72
4. Step 4: Simplify right side
   5,768.82x = 28,116,588.00
5. Step 5: Solve for x
   x = 28,116,588.00/5,768.82
6. Step 6: Final answer
   x = 4,873.89