Finding the Fourth Proportional to 300,898.98, 415,225.17 and 173,566.98

Step by Step Solution

1. Step 1: Write the proportion equation
   300,898.98 : 415,225.17 = 173,566.98 : x
2. Step 2: Convert to fraction form
   300,898.98/415,225.17 = 173,566.98/x
3. Step 3: Cross multiply
   300,898.98x = 415,225.17 × 173,566.98
4. Step 4: Simplify right side
   300,898.98x = 72,069,378,776.89
5. Step 5: Solve for x
   x = 72,069,378,776.89/300,898.98
6. Step 6: Final answer
   x = 239,513.54