Finding the Fourth Proportional to 63,704.72, 87,950.88 and 42,212.60

Step by Step Solution

1. Step 1: Write the proportion equation
   63,704.72 : 87,950.88 = 42,212.60 : x
2. Step 2: Convert to fraction form
   63,704.72/87,950.88 = 42,212.60/x
3. Step 3: Cross multiply
   63,704.72x = 87,950.88 × 42,212.60
4. Step 4: Simplify right side
   63,704.72x = 3,712,635,317.09
5. Step 5: Solve for x
   x = 3,712,635,317.09/63,704.72
6. Step 6: Final answer
   x = 58,278.81