Finding the Fourth Proportional to 123,613.94, 170,500.20 and 119,498.88

Step by Step Solution

1. Step 1: Write the proportion equation
   123,613.94 : 170,500.20 = 119,498.88 : x
2. Step 2: Convert to fraction form
   123,613.94/170,500.20 = 119,498.88/x
3. Step 3: Cross multiply
   123,613.94x = 170,500.20 × 119,498.88
4. Step 4: Simplify right side
   123,613.94x = 20,374,582,939.78
5. Step 5: Solve for x
   x = 20,374,582,939.78/123,613.94
6. Step 6: Final answer
   x = 164,824.31