Finding the Fourth Proportional to 72,483.30, 108,579.15 and 48,863.70

Step by Step Solution

1. Step 1: Write the proportion equation
   72,483.30 : 108,579.15 = 48,863.70 : x
2. Step 2: Convert to fraction form
   72,483.30/108,579.15 = 48,863.70/x
3. Step 3: Cross multiply
   72,483.30x = 108,579.15 × 48,863.70
4. Step 4: Simplify right side
   72,483.30x = 5,305,579,011.86
5. Step 5: Solve for x
   x = 5,305,579,011.86/72,483.30
6. Step 6: Final answer
   x = 73,197.26