Finding the Fourth Proportional to 71,780.16, 99,049.27 and 41,575.30

Step by Step Solution

1. Step 1: Write the proportion equation
   71,780.16 : 99,049.27 = 41,575.30 : x
2. Step 2: Convert to fraction form
   71,780.16/99,049.27 = 41,575.30/x
3. Step 3: Cross multiply
   71,780.16x = 99,049.27 × 41,575.30
4. Step 4: Simplify right side
   71,780.16x = 4,118,003,115.03
5. Step 5: Solve for x
   x = 4,118,003,115.03/71,780.16
6. Step 6: Final answer
   x = 57,369.66