Finding the Fourth Proportional to 204,074.88, 281,580.12 and 123,486.72

Step by Step Solution

1. Step 1: Write the proportion equation
   204,074.88 : 281,580.12 = 123,486.72 : x
2. Step 2: Convert to fraction form
   204,074.88/281,580.12 = 123,486.72/x
3. Step 3: Cross multiply
   204,074.88x = 281,580.12 × 123,486.72
4. Step 4: Simplify right side
   204,074.88x = 34,771,405,436.01
5. Step 5: Solve for x
   x = 34,771,405,436.01/204,074.88
6. Step 6: Final answer
   x = 170,385.52