Finding the Fourth Proportional to 12,444.71, 17,161.47 and 10,561.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,444.71 : 17,161.47 = 10,561.46 : x
2. Step 2: Convert to fraction form
   12,444.71/17,161.47 = 10,561.46/x
3. Step 3: Cross multiply
   12,444.71x = 17,161.47 × 10,561.46
4. Step 4: Simplify right side
   12,444.71x = 181,250,093.14
5. Step 5: Solve for x
   x = 181,250,093.14/12,444.71
6. Step 6: Final answer
   x = 14,564.43