Finding the Fourth Proportional to 170,113.29, 254,878.34 and 120,103.89

Step by Step Solution

1. Step 1: Write the proportion equation
   170,113.29 : 254,878.34 = 120,103.89 : x
2. Step 2: Convert to fraction form
   170,113.29/254,878.34 = 120,103.89/x
3. Step 3: Cross multiply
   170,113.29x = 254,878.34 × 120,103.89
4. Step 4: Simplify right side
   170,113.29x = 30,611,879,510.22
5. Step 5: Solve for x
   x = 30,611,879,510.22/170,113.29
6. Step 6: Final answer
   x = 179,949.96