Finding the Fourth Proportional to 112,156.14, 167,890.71 and 72,634.62

Step by Step Solution

1. Step 1: Write the proportion equation
   112,156.14 : 167,890.71 = 72,634.62 : x
2. Step 2: Convert to fraction form
   112,156.14/167,890.71 = 72,634.62/x
3. Step 3: Cross multiply
   112,156.14x = 167,890.71 × 72,634.62
4. Step 4: Simplify right side
   112,156.14x = 12,194,677,922.38
5. Step 5: Solve for x
   x = 12,194,677,922.38/112,156.14
6. Step 6: Final answer
   x = 108,729.47