Finding the Fourth Proportional to 12,456.45, 18,683.46 and 5,061.35

Step by Step Solution

1. Step 1: Write the proportion equation
   12,456.45 : 18,683.46 = 5,061.35 : x
2. Step 2: Convert to fraction form
   12,456.45/18,683.46 = 5,061.35/x
3. Step 3: Cross multiply
   12,456.45x = 18,683.46 × 5,061.35
4. Step 4: Simplify right side
   12,456.45x = 94,563,576.98
5. Step 5: Solve for x
   x = 94,563,576.98/12,456.45
6. Step 6: Final answer
   x = 7,591.54