Finding the Fourth Proportional to 19,451.12, 26,844.72 and 10,953.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,451.12 : 26,844.72 = 10,953.50 : x
2. Step 2: Convert to fraction form
   19,451.12/26,844.72 = 10,953.50/x
3. Step 3: Cross multiply
   19,451.12x = 26,844.72 × 10,953.50
4. Step 4: Simplify right side
   19,451.12x = 294,043,640.52
5. Step 5: Solve for x
   x = 294,043,640.52/19,451.12
6. Step 6: Final answer
   x = 15,117.05