Finding the Fourth Proportional to 268,300.85, 370,290.17 and 173,084.54

Step by Step Solution

1. Step 1: Write the proportion equation
   268,300.85 : 370,290.17 = 173,084.54 : x
2. Step 2: Convert to fraction form
   268,300.85/370,290.17 = 173,084.54/x
3. Step 3: Cross multiply
   268,300.85x = 370,290.17 × 173,084.54
4. Step 4: Simplify right side
   268,300.85x = 64,091,502,875.55
5. Step 5: Solve for x
   x = 64,091,502,875.55/268,300.85
6. Step 6: Final answer
   x = 238,879.24