Finding the Fourth Proportional to 19,003.50, 26,226.27 and 10,939.62

Step by Step Solution

1. Step 1: Write the proportion equation
   19,003.50 : 26,226.27 = 10,939.62 : x
2. Step 2: Convert to fraction form
   19,003.50/26,226.27 = 10,939.62/x
3. Step 3: Cross multiply
   19,003.50x = 26,226.27 × 10,939.62
4. Step 4: Simplify right side
   19,003.50x = 286,905,296.69
5. Step 5: Solve for x
   x = 286,905,296.69/19,003.50
6. Step 6: Final answer
   x = 15,097.50