Finding the Fourth Proportional to 67,392.46, 93,007.86 and 38,716.12

Step by Step Solution

1. Step 1: Write the proportion equation
   67,392.46 : 93,007.86 = 38,716.12 : x
2. Step 2: Convert to fraction form
   67,392.46/93,007.86 = 38,716.12/x
3. Step 3: Cross multiply
   67,392.46x = 93,007.86 × 38,716.12
4. Step 4: Simplify right side
   67,392.46x = 3,600,903,468.70
5. Step 5: Solve for x
   x = 3,600,903,468.70/67,392.46
6. Step 6: Final answer
   x = 53,431.84