Finding the Fourth Proportional to 67,986.24, 93,819.76 and 42,137.88

Step by Step Solution

1. Step 1: Write the proportion equation
   67,986.24 : 93,819.76 = 42,137.88 : x
2. Step 2: Convert to fraction form
   67,986.24/93,819.76 = 42,137.88/x
3. Step 3: Cross multiply
   67,986.24x = 93,819.76 × 42,137.88
4. Step 4: Simplify right side
   67,986.24x = 3,953,365,788.51
5. Step 5: Solve for x
   x = 3,953,365,788.51/67,986.24
6. Step 6: Final answer
   x = 58,149.50