Finding the Fourth Proportional to 72,627.74, 108,947.89 and 20,037.23

Step by Step Solution

1. Step 1: Write the proportion equation
   72,627.74 : 108,947.89 = 20,037.23 : x
2. Step 2: Convert to fraction form
   72,627.74/108,947.89 = 20,037.23/x
3. Step 3: Cross multiply
   72,627.74x = 108,947.89 × 20,037.23
4. Step 4: Simplify right side
   72,627.74x = 2,183,013,875.16
5. Step 5: Solve for x
   x = 2,183,013,875.16/72,627.74
6. Step 6: Final answer
   x = 30,057.58