Finding the Fourth Proportional to 19,974.06, 27,574.18 and 12,422.82

Step by Step Solution

1. Step 1: Write the proportion equation
   19,974.06 : 27,574.18 = 12,422.82 : x
2. Step 2: Convert to fraction form
   19,974.06/27,574.18 = 12,422.82/x
3. Step 3: Cross multiply
   19,974.06x = 27,574.18 × 12,422.82
4. Step 4: Simplify right side
   19,974.06x = 342,549,032.72
5. Step 5: Solve for x
   x = 342,549,032.72/19,974.06
6. Step 6: Final answer
   x = 17,149.70