Finding the Fourth Proportional to 137,159.29, 188,859.25 and 120,067.89

Step by Step Solution

1. Step 1: Write the proportion equation
   137,159.29 : 188,859.25 = 120,067.89 : x
2. Step 2: Convert to fraction form
   137,159.29/188,859.25 = 120,067.89/x
3. Step 3: Cross multiply
   137,159.29x = 188,859.25 × 120,067.89
4. Step 4: Simplify right side
   137,159.29x = 22,675,931,096.35
5. Step 5: Solve for x
   x = 22,675,931,096.35/137,159.29
6. Step 6: Final answer
   x = 165,325.52