Finding the Fourth Proportional to 12,303.89, 18,454.67 and 4,906.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,303.89 : 18,454.67 = 4,906.37 : x
2. Step 2: Convert to fraction form
   12,303.89/18,454.67 = 4,906.37/x
3. Step 3: Cross multiply
   12,303.89x = 18,454.67 × 4,906.37
4. Step 4: Simplify right side
   12,303.89x = 90,545,479.25
5. Step 5: Solve for x
   x = 90,545,479.25/12,303.89
6. Step 6: Final answer
   x = 7,359.09