Finding the Fourth Proportional to 72,454.77, 99,968.67 and 41,820.37

Step by Step Solution

1. Step 1: Write the proportion equation
   72,454.77 : 99,968.67 = 41,820.37 : x
2. Step 2: Convert to fraction form
   72,454.77/99,968.67 = 41,820.37/x
3. Step 3: Cross multiply
   72,454.77x = 99,968.67 × 41,820.37
4. Step 4: Simplify right side
   72,454.77x = 4,180,726,517.89
5. Step 5: Solve for x
   x = 4,180,726,517.89/72,454.77
6. Step 6: Final answer
   x = 57,701.19