Finding the Fourth Proportional to 85,470.48, 117,930.31 and 49,169.69

Step by Step Solution

1. Step 1: Write the proportion equation
   85,470.48 : 117,930.31 = 49,169.69 : x
2. Step 2: Convert to fraction form
   85,470.48/117,930.31 = 49,169.69/x
3. Step 3: Cross multiply
   85,470.48x = 117,930.31 × 49,169.69
4. Step 4: Simplify right side
   85,470.48x = 5,798,596,784.30
5. Step 5: Solve for x
   x = 5,798,596,784.30/85,470.48
6. Step 6: Final answer
   x = 67,843.27