Finding the Fourth Proportional to 63,012.72, 86,957.82 and 34,718.40

Step by Step Solution

1. Step 1: Write the proportion equation
   63,012.72 : 86,957.82 = 34,718.40 : x
2. Step 2: Convert to fraction form
   63,012.72/86,957.82 = 34,718.40/x
3. Step 3: Cross multiply
   63,012.72x = 86,957.82 × 34,718.40
4. Step 4: Simplify right side
   63,012.72x = 3,019,036,377.89
5. Step 5: Solve for x
   x = 3,019,036,377.89/63,012.72
6. Step 6: Final answer
   x = 47,911.54