Finding the Fourth Proportional to 186,799, 257,782.62 and 119,731

Step by Step Solution

1. Step 1: Write the proportion equation
   186,799 : 257,782.62 = 119,731 : x
2. Step 2: Convert to fraction form
   186,799/257,782.62 = 119,731/x
3. Step 3: Cross multiply
   186,799x = 257,782.62 × 119,731
4. Step 4: Simplify right side
   186,799x = 30,864,570,875.22
5. Step 5: Solve for x
   x = 30,864,570,875.22/186,799
6. Step 6: Final answer
   x = 165,228.78