Finding the Fourth Proportional to 72,391.80, 99,881.76 and 41,757.48

Step by Step Solution

1. Step 1: Write the proportion equation
   72,391.80 : 99,881.76 = 41,757.48 : x
2. Step 2: Convert to fraction form
   72,391.80/99,881.76 = 41,757.48/x
3. Step 3: Cross multiply
   72,391.80x = 99,881.76 × 41,757.48
4. Step 4: Simplify right side
   72,391.80x = 4,170,810,595.56
5. Step 5: Solve for x
   x = 4,170,810,595.56/72,391.80
6. Step 6: Final answer
   x = 57,614.41