Finding the Fourth Proportional to 72,804.86, 100,501.70 and 48,945.37

Step by Step Solution

1. Step 1: Write the proportion equation
   72,804.86 : 100,501.70 = 48,945.37 : x
2. Step 2: Convert to fraction form
   72,804.86/100,501.70 = 48,945.37/x
3. Step 3: Cross multiply
   72,804.86x = 100,501.70 × 48,945.37
4. Step 4: Simplify right side
   72,804.86x = 4,919,092,579.69
5. Step 5: Solve for x
   x = 4,919,092,579.69/72,804.86
6. Step 6: Final answer
   x = 67,565.45