Finding the Fourth Proportional to 12,103.12, 16,704.16 and 7,390.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,103.12 : 16,704.16 = 7,390.16 : x
2. Step 2: Convert to fraction form
   12,103.12/16,704.16 = 7,390.16/x
3. Step 3: Cross multiply
   12,103.12x = 16,704.16 × 7,390.16
4. Step 4: Simplify right side
   12,103.12x = 123,446,415.07
5. Step 5: Solve for x
   x = 123,446,415.07/12,103.12
6. Step 6: Final answer
   x = 10,199.55