Finding the Fourth Proportional to 258,399.53, 356,688.77 and 151,004.46

Step by Step Solution

1. Step 1: Write the proportion equation
   258,399.53 : 356,688.77 = 151,004.46 : x
2. Step 2: Convert to fraction form
   258,399.53/356,688.77 = 151,004.46/x
3. Step 3: Cross multiply
   258,399.53x = 356,688.77 × 151,004.46
4. Step 4: Simplify right side
   258,399.53x = 53,861,594,346.89
5. Step 5: Solve for x
   x = 53,861,594,346.89/258,399.53
6. Step 6: Final answer
   x = 208,443.09