Finding the Fourth Proportional to 311,141.72, 466,865 and 111,477.53

Step by Step Solution

1. Step 1: Write the proportion equation
   311,141.72 : 466,865 = 111,477.53 : x
2. Step 2: Convert to fraction form
   311,141.72/466,865 = 111,477.53/x
3. Step 3: Cross multiply
   311,141.72x = 466,865 × 111,477.53
4. Step 4: Simplify right side
   311,141.72x = 52,044,957,043.45
5. Step 5: Solve for x
   x = 52,044,957,043.45/311,141.72
6. Step 6: Final answer
   x = 167,270.90