Finding the Fourth Proportional to 12,964.91, 19,448.56 and 10,046.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,964.91 : 19,448.56 = 10,046.48 : x
2. Step 2: Convert to fraction form
   12,964.91/19,448.56 = 10,046.48/x
3. Step 3: Cross multiply
   12,964.91x = 19,448.56 × 10,046.48
4. Step 4: Simplify right side
   12,964.91x = 195,389,484.38
5. Step 5: Solve for x
   x = 195,389,484.38/12,964.91
6. Step 6: Final answer
   x = 15,070.65