Finding the Fourth Proportional to 72,985.36, 100,722.69 and 41,153.57

Step by Step Solution

1. Step 1: Write the proportion equation
   72,985.36 : 100,722.69 = 41,153.57 : x
2. Step 2: Convert to fraction form
   72,985.36/100,722.69 = 41,153.57/x
3. Step 3: Cross multiply
   72,985.36x = 100,722.69 × 41,153.57
4. Step 4: Simplify right side
   72,985.36x = 4,145,098,273.50
5. Step 5: Solve for x
   x = 4,145,098,273.50/72,985.36
6. Step 6: Final answer
   x = 56,793.56