Finding the Fourth Proportional to 111,261.88, 166,814.42 and 41,131.96

Step by Step Solution

1. Step 1: Write the proportion equation
   111,261.88 : 166,814.42 = 41,131.96 : x
2. Step 2: Convert to fraction form
   111,261.88/166,814.42 = 41,131.96/x
3. Step 3: Cross multiply
   111,261.88x = 166,814.42 × 41,131.96
4. Step 4: Simplify right side
   111,261.88x = 6,861,404,050.86
5. Step 5: Solve for x
   x = 6,861,404,050.86/111,261.88
6. Step 6: Final answer
   x = 61,668.96