Finding the Fourth Proportional to 19,359.30, 26,715.69 and 10,976.10

Step by Step Solution

1. Step 1: Write the proportion equation
   19,359.30 : 26,715.69 = 10,976.10 : x
2. Step 2: Convert to fraction form
   19,359.30/26,715.69 = 10,976.10/x
3. Step 3: Cross multiply
   19,359.30x = 26,715.69 × 10,976.10
4. Step 4: Simplify right side
   19,359.30x = 293,234,085.01
5. Step 5: Solve for x
   x = 293,234,085.01/19,359.30
6. Step 6: Final answer
   x = 15,146.94