Finding the Fourth Proportional to 72,553.52, 108,835.32 and 30,417.68

Step by Step Solution

1. Step 1: Write the proportion equation
   72,553.52 : 108,835.32 = 30,417.68 : x
2. Step 2: Convert to fraction form
   72,553.52/108,835.32 = 30,417.68/x
3. Step 3: Cross multiply
   72,553.52x = 108,835.32 × 30,417.68
4. Step 4: Simplify right side
   72,553.52x = 3,310,517,936.46
5. Step 5: Solve for x
   x = 3,310,517,936.46/72,553.52
6. Step 6: Final answer
   x = 45,628.63