Finding the Fourth Proportional to 72,241.25, 99,700.42 and 41,615.40

Step by Step Solution

1. Step 1: Write the proportion equation
   72,241.25 : 99,700.42 = 41,615.40 : x
2. Step 2: Convert to fraction form
   72,241.25/99,700.42 = 41,615.40/x
3. Step 3: Cross multiply
   72,241.25x = 99,700.42 × 41,615.40
4. Step 4: Simplify right side
   72,241.25x = 4,149,072,754.43
5. Step 5: Solve for x
   x = 4,149,072,754.43/72,241.25
6. Step 6: Final answer
   x = 57,433.57