Finding the Fourth Proportional to 12,258.72, 18,392.52 and 7,573.26

Step by Step Solution

1. Step 1: Write the proportion equation
   12,258.72 : 18,392.52 = 7,573.26 : x
2. Step 2: Convert to fraction form
   12,258.72/18,392.52 = 7,573.26/x
3. Step 3: Cross multiply
   12,258.72x = 18,392.52 × 7,573.26
4. Step 4: Simplify right side
   12,258.72x = 139,291,336.02
5. Step 5: Solve for x
   x = 139,291,336.02/12,258.72
6. Step 6: Final answer
   x = 11,362.63