Finding the Fourth Proportional to 12,054.28, 16,632.18 and 7,017.40

Step by Step Solution

1. Step 1: Write the proportion equation
   12,054.28 : 16,632.18 = 7,017.40 : x
2. Step 2: Convert to fraction form
   12,054.28/16,632.18 = 7,017.40/x
3. Step 3: Cross multiply
   12,054.28x = 16,632.18 × 7,017.40
4. Step 4: Simplify right side
   12,054.28x = 116,714,659.93
5. Step 5: Solve for x
   x = 116,714,659.93/12,054.28
6. Step 6: Final answer
   x = 9,682.42