Finding the Fourth Proportional to 14,262.51, 19,682.39 and 7,974.89

Step by Step Solution

1. Step 1: Write the proportion equation
   14,262.51 : 19,682.39 = 7,974.89 : x
2. Step 2: Convert to fraction form
   14,262.51/19,682.39 = 7,974.89/x
3. Step 3: Cross multiply
   14,262.51x = 19,682.39 × 7,974.89
4. Step 4: Simplify right side
   14,262.51x = 156,964,890.52
5. Step 5: Solve for x
   x = 156,964,890.52/14,262.51
6. Step 6: Final answer
   x = 11,005.42