Finding the Fourth Proportional to 19,632.42, 27,085.32 and 12,546.54

Step by Step Solution

1. Step 1: Write the proportion equation
   19,632.42 : 27,085.32 = 12,546.54 : x
2. Step 2: Convert to fraction form
   19,632.42/27,085.32 = 12,546.54/x
3. Step 3: Cross multiply
   19,632.42x = 27,085.32 × 12,546.54
4. Step 4: Simplify right side
   19,632.42x = 339,827,050.79
5. Step 5: Solve for x
   x = 339,827,050.79/19,632.42
6. Step 6: Final answer
   x = 17,309.48