Finding the Fourth Proportional to 406,870.29, 610,235.78 and 107,353.96

Step by Step Solution

1. Step 1: Write the proportion equation
   406,870.29 : 610,235.78 = 107,353.96 : x
2. Step 2: Convert to fraction form
   406,870.29/610,235.78 = 107,353.96/x
3. Step 3: Cross multiply
   406,870.29x = 610,235.78 × 107,353.96
4. Step 4: Simplify right side
   406,870.29x = 65,511,225,454.33
5. Step 5: Solve for x
   x = 65,511,225,454.33/406,870.29
6. Step 6: Final answer
   x = 161,012.56