Finding the Fourth Proportional to 8,731.89, 12,046.88 and 5,861.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,731.89 : 12,046.88 = 5,861.32 : x
2. Step 2: Convert to fraction form
   8,731.89/12,046.88 = 5,861.32/x
3. Step 3: Cross multiply
   8,731.89x = 12,046.88 × 5,861.32
4. Step 4: Simplify right side
   8,731.89x = 70,610,603.22
5. Step 5: Solve for x
   x = 70,610,603.22/8,731.89
6. Step 6: Final answer
   x = 8,086.52