Finding the Fourth Proportional to 12,498.77, 18,738.87 and 7,567.23

Step by Step Solution

1. Step 1: Write the proportion equation
   12,498.77 : 18,738.87 = 7,567.23 : x
2. Step 2: Convert to fraction form
   12,498.77/18,738.87 = 7,567.23/x
3. Step 3: Cross multiply
   12,498.77x = 18,738.87 × 7,567.23
4. Step 4: Simplify right side
   12,498.77x = 141,801,339.23
5. Step 5: Solve for x
   x = 141,801,339.23/12,498.77
6. Step 6: Final answer
   x = 11,345.23