Finding the Fourth Proportional to 151,804.37, 227,401.98 and 139,403.27

Step by Step Solution

1. Step 1: Write the proportion equation
   151,804.37 : 227,401.98 = 139,403.27 : x
2. Step 2: Convert to fraction form
   151,804.37/227,401.98 = 139,403.27/x
3. Step 3: Cross multiply
   151,804.37x = 227,401.98 × 139,403.27
4. Step 4: Simplify right side
   151,804.37x = 31,700,578,479.46
5. Step 5: Solve for x
   x = 31,700,578,479.46/151,804.37
6. Step 6: Final answer
   x = 208,825.21