Finding the Fourth Proportional to 112,123.56, 167,849.52 and 108,135.90

Step by Step Solution

1. Step 1: Write the proportion equation
   112,123.56 : 167,849.52 = 108,135.90 : x
2. Step 2: Convert to fraction form
   112,123.56/167,849.52 = 108,135.90/x
3. Step 3: Cross multiply
   112,123.56x = 167,849.52 × 108,135.90
4. Step 4: Simplify right side
   112,123.56x = 18,150,558,909.77
5. Step 5: Solve for x
   x = 18,150,558,909.77/112,123.56
6. Step 6: Final answer
   x = 161,879.97