Finding the Fourth Proportional to 278,922.69, 384,924.76 and 158,062.69

Step by Step Solution

1. Step 1: Write the proportion equation
   278,922.69 : 384,924.76 = 158,062.69 : x
2. Step 2: Convert to fraction form
   278,922.69/384,924.76 = 158,062.69/x
3. Step 3: Cross multiply
   278,922.69x = 384,924.76 × 158,062.69
4. Step 4: Simplify right side
   278,922.69x = 60,842,243,099.20
5. Step 5: Solve for x
   x = 60,842,243,099.20/278,922.69
6. Step 6: Final answer
   x = 218,133.00