Finding the Fourth Proportional to 16,928.17, 23,345.67 and 10,953.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,928.17 : 23,345.67 = 10,953.61 : x
2. Step 2: Convert to fraction form
   16,928.17/23,345.67 = 10,953.61/x
3. Step 3: Cross multiply
   16,928.17x = 23,345.67 × 10,953.61
4. Step 4: Simplify right side
   16,928.17x = 255,719,364.37
5. Step 5: Solve for x
   x = 255,719,364.37/16,928.17
6. Step 6: Final answer
   x = 15,106.14