Finding the Fourth Proportional to 12,498.89, 18,738.99 and 7,567.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,498.89 : 18,738.99 = 7,567.34 : x
2. Step 2: Convert to fraction form
   12,498.89/18,738.99 = 7,567.34/x
3. Step 3: Cross multiply
   12,498.89x = 18,738.99 × 7,567.34
4. Step 4: Simplify right side
   12,498.89x = 141,804,214.89
5. Step 5: Solve for x
   x = 141,804,214.89/12,498.89
6. Step 6: Final answer
   x = 11,345.35