Finding the Fourth Proportional to 150,598.54, 224,667.50 and 139,860.37

Step by Step Solution

1. Step 1: Write the proportion equation
   150,598.54 : 224,667.50 = 139,860.37 : x
2. Step 2: Convert to fraction form
   150,598.54/224,667.50 = 139,860.37/x
3. Step 3: Cross multiply
   150,598.54x = 224,667.50 × 139,860.37
4. Step 4: Simplify right side
   150,598.54x = 31,422,079,651.86
5. Step 5: Solve for x
   x = 31,422,079,651.86/150,598.54
6. Step 6: Final answer
   x = 208,647.97