Finding the Fourth Proportional to 63,079.51, 86,981.91 and 62,148.82

Step by Step Solution

1. Step 1: Write the proportion equation
   63,079.51 : 86,981.91 = 62,148.82 : x
2. Step 2: Convert to fraction form
   63,079.51/86,981.91 = 62,148.82/x
3. Step 3: Cross multiply
   63,079.51x = 86,981.91 × 62,148.82
4. Step 4: Simplify right side
   63,079.51x = 5,405,823,067.85
5. Step 5: Solve for x
   x = 5,405,823,067.85/63,079.51
6. Step 6: Final answer
   x = 85,698.56