Finding the Fourth Proportional to 72,516.18, 108,785.79 and 30,963.54

Step by Step Solution

1. Step 1: Write the proportion equation
   72,516.18 : 108,785.79 = 30,963.54 : x
2. Step 2: Convert to fraction form
   72,516.18/108,785.79 = 30,963.54/x
3. Step 3: Cross multiply
   72,516.18x = 108,785.79 × 30,963.54
4. Step 4: Simplify right side
   72,516.18x = 3,368,393,160.10
5. Step 5: Solve for x
   x = 3,368,393,160.10/72,516.18
6. Step 6: Final answer
   x = 46,450.23