Finding the Fourth Proportional to 12,053, 16,636.48 and 7,018.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,053 : 16,636.48 = 7,018.18 : x
2. Step 2: Convert to fraction form
   12,053/16,636.48 = 7,018.18/x
3. Step 3: Cross multiply
   12,053x = 16,636.48 × 7,018.18
4. Step 4: Simplify right side
   12,053x = 116,757,811.21
5. Step 5: Solve for x
   x = 116,757,811.21/12,053
6. Step 6: Final answer
   x = 9,687.03