Finding the Fourth Proportional to 8,140.17, 12,191.27 and 5,943.45

Step by Step Solution

1. Step 1: Write the proportion equation
   8,140.17 : 12,191.27 = 5,943.45 : x
2. Step 2: Convert to fraction form
   8,140.17/12,191.27 = 5,943.45/x
3. Step 3: Cross multiply
   8,140.17x = 12,191.27 × 5,943.45
4. Step 4: Simplify right side
   8,140.17x = 72,458,173.96
5. Step 5: Solve for x
   x = 72,458,173.96/8,140.17
6. Step 6: Final answer
   x = 8,901.31