Finding the Fourth Proportional to 112,156.72, 167,898.96 and 108,168.96

Step by Step Solution

1. Step 1: Write the proportion equation
   112,156.72 : 167,898.96 = 108,168.96 : x
2. Step 2: Convert to fraction form
   112,156.72/167,898.96 = 108,168.96/x
3. Step 3: Cross multiply
   112,156.72x = 167,898.96 × 108,168.96
4. Step 4: Simplify right side
   112,156.72x = 18,161,455,888.28
5. Step 5: Solve for x
   x = 18,161,455,888.28/112,156.72
6. Step 6: Final answer
   x = 161,929.27