Finding the Fourth Proportional to 8,942.18, 12,345.89 and 5,756.67

Step by Step Solution

1. Step 1: Write the proportion equation
   8,942.18 : 12,345.89 = 5,756.67 : x
2. Step 2: Convert to fraction form
   8,942.18/12,345.89 = 5,756.67/x
3. Step 3: Cross multiply
   8,942.18x = 12,345.89 × 5,756.67
4. Step 4: Simplify right side
   8,942.18x = 71,071,185.80
5. Step 5: Solve for x
   x = 71,071,185.80/8,942.18
6. Step 6: Final answer
   x = 7,947.86