Finding the Fourth Proportional to 72,545.63, 108,819.14 and 21,945.06

Step by Step Solution

1. Step 1: Write the proportion equation
   72,545.63 : 108,819.14 = 21,945.06 : x
2. Step 2: Convert to fraction form
   72,545.63/108,819.14 = 21,945.06/x
3. Step 3: Cross multiply
   72,545.63x = 108,819.14 × 21,945.06
4. Step 4: Simplify right side
   72,545.63x = 2,388,042,446.72
5. Step 5: Solve for x
   x = 2,388,042,446.72/72,545.63
6. Step 6: Final answer
   x = 32,917.80