Finding the Fourth Proportional to 57,625.27, 86,470.72 and 46,012.30

Step by Step Solution

1. Step 1: Write the proportion equation
   57,625.27 : 86,470.72 = 46,012.30 : x
2. Step 2: Convert to fraction form
   57,625.27/86,470.72 = 46,012.30/x
3. Step 3: Cross multiply
   57,625.27x = 86,470.72 × 46,012.30
4. Step 4: Simplify right side
   57,625.27x = 3,978,716,378.65
5. Step 5: Solve for x
   x = 3,978,716,378.65/57,625.27
6. Step 6: Final answer
   x = 69,044.65