Finding the Fourth Proportional to 63,019.94, 86,964.08 and 39,146.18

Step by Step Solution

1. Step 1: Write the proportion equation
   63,019.94 : 86,964.08 = 39,146.18 : x
2. Step 2: Convert to fraction form
   63,019.94/86,964.08 = 39,146.18/x
3. Step 3: Cross multiply
   63,019.94x = 86,964.08 × 39,146.18
4. Step 4: Simplify right side
   63,019.94x = 3,404,310,898.66
5. Step 5: Solve for x
   x = 3,404,310,898.66/63,019.94
6. Step 6: Final answer
   x = 54,019.59