Finding the Fourth Proportional to 204,075.88, 281,581.50 and 123,487.72

Step by Step Solution

1. Step 1: Write the proportion equation
   204,075.88 : 281,581.50 = 123,487.72 : x
2. Step 2: Convert to fraction form
   204,075.88/281,581.50 = 123,487.72/x
3. Step 3: Cross multiply
   204,075.88x = 281,581.50 × 123,487.72
4. Step 4: Simplify right side
   204,075.88x = 34,771,857,429.18
5. Step 5: Solve for x
   x = 34,771,857,429.18/204,075.88
6. Step 6: Final answer
   x = 170,386.90