Finding the Fourth Proportional to 67,788.32, 93,516.24 and 42,651.68

Step by Step Solution

1. Step 1: Write the proportion equation
   67,788.32 : 93,516.24 = 42,651.68 : x
2. Step 2: Convert to fraction form
   67,788.32/93,516.24 = 42,651.68/x
3. Step 3: Cross multiply
   67,788.32x = 93,516.24 × 42,651.68
4. Step 4: Simplify right side
   67,788.32x = 3,988,624,743.28
5. Step 5: Solve for x
   x = 3,988,624,743.28/67,788.32
6. Step 6: Final answer
   x = 58,839.41