Finding the Fourth Proportional to 63,469.47, 87,403.30 and 59,412.74

Step by Step Solution

1. Step 1: Write the proportion equation
   63,469.47 : 87,403.30 = 59,412.74 : x
2. Step 2: Convert to fraction form
   63,469.47/87,403.30 = 59,412.74/x
3. Step 3: Cross multiply
   63,469.47x = 87,403.30 × 59,412.74
4. Step 4: Simplify right side
   63,469.47x = 5,192,869,778.33
5. Step 5: Solve for x
   x = 5,192,869,778.33/63,469.47
6. Step 6: Final answer
   x = 81,816.81