Finding the Fourth Proportional to 111,837.96, 167,834.70 and 72,297

Step by Step Solution

1. Step 1: Write the proportion equation
   111,837.96 : 167,834.70 = 72,297 : x
2. Step 2: Convert to fraction form
   111,837.96/167,834.70 = 72,297/x
3. Step 3: Cross multiply
   111,837.96x = 167,834.70 × 72,297
4. Step 4: Simplify right side
   111,837.96x = 12,133,945,305.90
5. Step 5: Solve for x
   x = 12,133,945,305.90/111,837.96
6. Step 6: Final answer
   x = 108,495.77