Finding the Fourth Proportional to 8,057.89, 12,091.63 and 4,360.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,057.89 : 12,091.63 = 4,360.05 : x
2. Step 2: Convert to fraction form
   8,057.89/12,091.63 = 4,360.05/x
3. Step 3: Cross multiply
   8,057.89x = 12,091.63 × 4,360.05
4. Step 4: Simplify right side
   8,057.89x = 52,720,040.02
5. Step 5: Solve for x
   x = 52,720,040.02/8,057.89
6. Step 6: Final answer
   x = 6,542.66