Finding the Fourth Proportional to 12,499.54, 18,727.71 and 6,567.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.54 : 18,727.71 = 6,567.61 : x
2. Step 2: Convert to fraction form
   12,499.54/18,727.71 = 6,567.61/x
3. Step 3: Cross multiply
   12,499.54x = 18,727.71 × 6,567.61
4. Step 4: Simplify right side
   12,499.54x = 122,996,206.47
5. Step 5: Solve for x
   x = 122,996,206.47/12,499.54
6. Step 6: Final answer
   x = 9,840.06