Finding the Fourth Proportional to 19,103.34, 26,362.71 and 10,605.57

Step by Step Solution

1. Step 1: Write the proportion equation
   19,103.34 : 26,362.71 = 10,605.57 : x
2. Step 2: Convert to fraction form
   19,103.34/26,362.71 = 10,605.57/x
3. Step 3: Cross multiply
   19,103.34x = 26,362.71 × 10,605.57
4. Step 4: Simplify right side
   19,103.34x = 279,591,566.29
5. Step 5: Solve for x
   x = 279,591,566.29/19,103.34
6. Step 6: Final answer
   x = 14,635.74