Finding the Fourth Proportional to 251,796.48, 377,519.76 and 111,478.56

Step by Step Solution

1. Step 1: Write the proportion equation
   251,796.48 : 377,519.76 = 111,478.56 : x
2. Step 2: Convert to fraction form
   251,796.48/377,519.76 = 111,478.56/x
3. Step 3: Cross multiply
   251,796.48x = 377,519.76 × 111,478.56
4. Step 4: Simplify right side
   251,796.48x = 42,085,359,216.35
5. Step 5: Solve for x
   x = 42,085,359,216.35/251,796.48
6. Step 6: Final answer
   x = 167,140.38