Finding the Fourth Proportional to 278,390.69, 384,180.18 and 151,066.27

Step by Step Solution

1. Step 1: Write the proportion equation
   278,390.69 : 384,180.18 = 151,066.27 : x
2. Step 2: Convert to fraction form
   278,390.69/384,180.18 = 151,066.27/x
3. Step 3: Cross multiply
   278,390.69x = 384,180.18 × 151,066.27
4. Step 4: Simplify right side
   278,390.69x = 58,036,664,879.63
5. Step 5: Solve for x
   x = 58,036,664,879.63/278,390.69
6. Step 6: Final answer
   x = 208,472.01