Finding the Fourth Proportional to 12,995.56, 17,933.83 and 7,027.21

Step by Step Solution

1. Step 1: Write the proportion equation
   12,995.56 : 17,933.83 = 7,027.21 : x
2. Step 2: Convert to fraction form
   12,995.56/17,933.83 = 7,027.21/x
3. Step 3: Cross multiply
   12,995.56x = 17,933.83 × 7,027.21
4. Step 4: Simplify right side
   12,995.56x = 126,024,789.51
5. Step 5: Solve for x
   x = 126,024,789.51/12,995.56
6. Step 6: Final answer
   x = 9,697.53