Finding the Fourth Proportional to 204,474.72, 282,187.98 and 123,909.30

Step by Step Solution

1. Step 1: Write the proportion equation
   204,474.72 : 282,187.98 = 123,909.30 : x
2. Step 2: Convert to fraction form
   204,474.72/282,187.98 = 123,909.30/x
3. Step 3: Cross multiply
   204,474.72x = 282,187.98 × 123,909.30
4. Step 4: Simplify right side
   204,474.72x = 34,965,715,070.21
5. Step 5: Solve for x
   x = 34,965,715,070.21/204,474.72
6. Step 6: Final answer
   x = 171,002.63