Finding the Fourth Proportional to 123,917.33, 185,771.49 and 53,743.79

Step by Step Solution

1. Step 1: Write the proportion equation
   123,917.33 : 185,771.49 = 53,743.79 : x
2. Step 2: Convert to fraction form
   123,917.33/185,771.49 = 53,743.79/x
3. Step 3: Cross multiply
   123,917.33x = 185,771.49 × 53,743.79
4. Step 4: Simplify right side
   123,917.33x = 9,984,063,017.69
5. Step 5: Solve for x
   x = 9,984,063,017.69/123,917.33
6. Step 6: Final answer
   x = 80,570.36