Finding the Fourth Proportional to 12,758.64, 17,607.01 and 7,016.19

Step by Step Solution

1. Step 1: Write the proportion equation
   12,758.64 : 17,607.01 = 7,016.19 : x
2. Step 2: Convert to fraction form
   12,758.64/17,607.01 = 7,016.19/x
3. Step 3: Cross multiply
   12,758.64x = 17,607.01 × 7,016.19
4. Step 4: Simplify right side
   12,758.64x = 123,534,127.49
5. Step 5: Solve for x
   x = 123,534,127.49/12,758.64
6. Step 6: Final answer
   x = 9,682.39