Finding the Fourth Proportional to 186,797, 257,779.86 and 119,729

Step by Step Solution

1. Step 1: Write the proportion equation
   186,797 : 257,779.86 = 119,729 : x
2. Step 2: Convert to fraction form
   186,797/257,779.86 = 119,729/x
3. Step 3: Cross multiply
   186,797x = 257,779.86 × 119,729
4. Step 4: Simplify right side
   186,797x = 30,863,724,857.94
5. Step 5: Solve for x
   x = 30,863,724,857.94/186,797
6. Step 6: Final answer
   x = 165,226.02