Finding the Fourth Proportional to 406,561.09, 609,786.28 and 107,016.59

Step by Step Solution

1. Step 1: Write the proportion equation
   406,561.09 : 609,786.28 = 107,016.59 : x
2. Step 2: Convert to fraction form
   406,561.09/609,786.28 = 107,016.59/x
3. Step 3: Cross multiply
   406,561.09x = 609,786.28 × 107,016.59
4. Step 4: Simplify right side
   406,561.09x = 65,257,248,314.39
5. Step 5: Solve for x
   x = 65,257,248,314.39/406,561.09
6. Step 6: Final answer
   x = 160,510.31