Finding the Fourth Proportional to 19,622.30, 27,078.72 and 10,669.82

Step by Step Solution

1. Step 1: Write the proportion equation
   19,622.30 : 27,078.72 = 10,669.82 : x
2. Step 2: Convert to fraction form
   19,622.30/27,078.72 = 10,669.82/x
3. Step 3: Cross multiply
   19,622.30x = 27,078.72 × 10,669.82
4. Step 4: Simplify right side
   19,622.30x = 288,925,068.23
5. Step 5: Solve for x
   x = 288,925,068.23/19,622.30
6. Step 6: Final answer
   x = 14,724.32