Finding the Fourth Proportional to 16,931.32, 23,357.46 and 10,964.91

Step by Step Solution

1. Step 1: Write the proportion equation
   16,931.32 : 23,357.46 = 10,964.91 : x
2. Step 2: Convert to fraction form
   16,931.32/23,357.46 = 10,964.91/x
3. Step 3: Cross multiply
   16,931.32x = 23,357.46 × 10,964.91
4. Step 4: Simplify right side
   16,931.32x = 256,112,329.94
5. Step 5: Solve for x
   x = 256,112,329.94/16,931.32
6. Step 6: Final answer
   x = 15,126.55