Finding the Fourth Proportional to 63,022.40, 86,970.76 and 34,728.09

Step by Step Solution

1. Step 1: Write the proportion equation
   63,022.40 : 86,970.76 = 34,728.09 : x
2. Step 2: Convert to fraction form
   63,022.40/86,970.76 = 34,728.09/x
3. Step 3: Cross multiply
   63,022.40x = 86,970.76 × 34,728.09
4. Step 4: Simplify right side
   63,022.40x = 3,020,328,293.83
5. Step 5: Solve for x
   x = 3,020,328,293.83/63,022.40
6. Step 6: Final answer
   x = 47,924.68