Finding the Fourth Proportional to 63,287.82, 87,317.46 and 42,070.68

Step by Step Solution

1. Step 1: Write the proportion equation
   63,287.82 : 87,317.46 = 42,070.68 : x
2. Step 2: Convert to fraction form
   63,287.82/87,317.46 = 42,070.68/x
3. Step 3: Cross multiply
   63,287.82x = 87,317.46 × 42,070.68
4. Step 4: Simplify right side
   63,287.82x = 3,673,504,918.07
5. Step 5: Solve for x
   x = 3,673,504,918.07/63,287.82
6. Step 6: Final answer
   x = 58,044.42