Finding the Fourth Proportional to 278,469.39, 384,288.50 and 151,144.98

Step by Step Solution

1. Step 1: Write the proportion equation
   278,469.39 : 384,288.50 = 151,144.98 : x
2. Step 2: Convert to fraction form
   278,469.39/384,288.50 = 151,144.98/x
3. Step 3: Cross multiply
   278,469.39x = 384,288.50 × 151,144.98
4. Step 4: Simplify right side
   278,469.39x = 58,083,276,891.01
5. Step 5: Solve for x
   x = 58,083,276,891.01/278,469.39
6. Step 6: Final answer
   x = 208,580.47