Finding the Fourth Proportional to 71,784.56, 99,065.94 and 41,571.20

Step by Step Solution

1. Step 1: Write the proportion equation
   71,784.56 : 99,065.94 = 41,571.20 : x
2. Step 2: Convert to fraction form
   71,784.56/99,065.94 = 41,571.20/x
3. Step 3: Cross multiply
   71,784.56x = 99,065.94 × 41,571.20
4. Step 4: Simplify right side
   71,784.56x = 4,118,290,004.93
5. Step 5: Solve for x
   x = 4,118,290,004.93/71,784.56
6. Step 6: Final answer
   x = 57,370.14