Finding the Fourth Proportional to 71,983.91, 99,315.78 and 41,758.76

Step by Step Solution

1. Step 1: Write the proportion equation
   71,983.91 : 99,315.78 = 41,758.76 : x
2. Step 2: Convert to fraction form
   71,983.91/99,315.78 = 41,758.76/x
3. Step 3: Cross multiply
   71,983.91x = 99,315.78 × 41,758.76
4. Step 4: Simplify right side
   71,983.91x = 4,147,303,821.23
5. Step 5: Solve for x
   x = 4,147,303,821.23/71,983.91
6. Step 6: Final answer
   x = 57,614.32