Finding the Fourth Proportional to 111,876.33, 167,788.85 and 31,912.77

Step by Step Solution

1. Step 1: Write the proportion equation
   111,876.33 : 167,788.85 = 31,912.77 : x
2. Step 2: Convert to fraction form
   111,876.33/167,788.85 = 31,912.77/x
3. Step 3: Cross multiply
   111,876.33x = 167,788.85 × 31,912.77
4. Step 4: Simplify right side
   111,876.33x = 5,354,606,978.61
5. Step 5: Solve for x
   x = 5,354,606,978.61/111,876.33
6. Step 6: Final answer
   x = 47,861.84