Finding the Fourth Proportional to 12,342.92, 18,510.54 and 4,133

Step by Step Solution

1. Step 1: Write the proportion equation
   12,342.92 : 18,510.54 = 4,133 : x
2. Step 2: Convert to fraction form
   12,342.92/18,510.54 = 4,133/x
3. Step 3: Cross multiply
   12,342.92x = 18,510.54 × 4,133
4. Step 4: Simplify right side
   12,342.92x = 76,504,061.82
5. Step 5: Solve for x
   x = 76,504,061.82/12,342.92
6. Step 6: Final answer
   x = 6,198.21