Finding the Fourth Proportional to 72,454.95, 99,968.89 and 41,820.54

Step by Step Solution

1. Step 1: Write the proportion equation
   72,454.95 : 99,968.89 = 41,820.54 : x
2. Step 2: Convert to fraction form
   72,454.95/99,968.89 = 41,820.54/x
3. Step 3: Cross multiply
   72,454.95x = 99,968.89 × 41,820.54
4. Step 4: Simplify right side
   72,454.95x = 4,180,752,963.00
5. Step 5: Solve for x
   x = 4,180,752,963.00/72,454.95
6. Step 6: Final answer
   x = 57,701.41