Finding the Fourth Proportional to 72,481.57, 108,669.71 and 48,730.14

Step by Step Solution

1. Step 1: Write the proportion equation
   72,481.57 : 108,669.71 = 48,730.14 : x
2. Step 2: Convert to fraction form
   72,481.57/108,669.71 = 48,730.14/x
3. Step 3: Cross multiply
   72,481.57x = 108,669.71 × 48,730.14
4. Step 4: Simplify right side
   72,481.57x = 5,295,490,303.88
5. Step 5: Solve for x
   x = 5,295,490,303.88/72,481.57
6. Step 6: Final answer
   x = 73,059.82