Finding the Fourth Proportional to 63,818.76, 88,068.42 and 39,958.59

Step by Step Solution

1. Step 1: Write the proportion equation
   63,818.76 : 88,068.42 = 39,958.59 : x
2. Step 2: Convert to fraction form
   63,818.76/88,068.42 = 39,958.59/x
3. Step 3: Cross multiply
   63,818.76x = 88,068.42 × 39,958.59
4. Step 4: Simplify right side
   63,818.76x = 3,519,089,886.73
5. Step 5: Solve for x
   x = 3,519,089,886.73/63,818.76
6. Step 6: Final answer
   x = 55,141.93