Finding the Fourth Proportional to 12,101.12, 16,701.40 and 7,388.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,101.12 : 16,701.40 = 7,388.16 : x
2. Step 2: Convert to fraction form
   12,101.12/16,701.40 = 7,388.16/x
3. Step 3: Cross multiply
   12,101.12x = 16,701.40 × 7,388.16
4. Step 4: Simplify right side
   12,101.12x = 123,392,615.42
5. Step 5: Solve for x
   x = 123,392,615.42/12,101.12
6. Step 6: Final answer
   x = 10,196.79