Finding the Fourth Proportional to 278,469.01, 384,287.98 and 151,144.61

Step by Step Solution

1. Step 1: Write the proportion equation
   278,469.01 : 384,287.98 = 151,144.61 : x
2. Step 2: Convert to fraction form
   278,469.01/384,287.98 = 151,144.61/x
3. Step 3: Cross multiply
   278,469.01x = 384,287.98 × 151,144.61
4. Step 4: Simplify right side
   278,469.01x = 58,083,054,565.49
5. Step 5: Solve for x
   x = 58,083,054,565.49/278,469.01
6. Step 6: Final answer
   x = 208,579.96