Finding the Fourth Proportional to 111,802.31, 167,635.73 and 50,171.90

Step by Step Solution

1. Step 1: Write the proportion equation
   111,802.31 : 167,635.73 = 50,171.90 : x
2. Step 2: Convert to fraction form
   111,802.31/167,635.73 = 50,171.90/x
3. Step 3: Cross multiply
   111,802.31x = 167,635.73 × 50,171.90
4. Step 4: Simplify right side
   111,802.31x = 8,410,601,992.95
5. Step 5: Solve for x
   x = 8,410,601,992.95/111,802.31
6. Step 6: Final answer
   x = 75,227.45