Finding the Fourth Proportional to 72,601.96, 108,874.74 and 28,222.84

Step by Step Solution

1. Step 1: Write the proportion equation
   72,601.96 : 108,874.74 = 28,222.84 : x
2. Step 2: Convert to fraction form
   72,601.96/108,874.74 = 28,222.84/x
3. Step 3: Cross multiply
   72,601.96x = 108,874.74 × 28,222.84
4. Step 4: Simplify right side
   72,601.96x = 3,072,754,367.06
5. Step 5: Solve for x
   x = 3,072,754,367.06/72,601.96
6. Step 6: Final answer
   x = 42,323.30