Finding the Fourth Proportional to 12,018.09, 16,581.96 and 7,484.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,018.09 : 16,581.96 = 7,484.32 : x
2. Step 2: Convert to fraction form
   12,018.09/16,581.96 = 7,484.32/x
3. Step 3: Cross multiply
   12,018.09x = 16,581.96 × 7,484.32
4. Step 4: Simplify right side
   12,018.09x = 124,104,653.41
5. Step 5: Solve for x
   x = 124,104,653.41/12,018.09
6. Step 6: Final answer
   x = 10,326.49