Finding the Fourth Proportional to 67,788.70, 93,555 and 39,492.56

Step by Step Solution

1. Step 1: Write the proportion equation
   67,788.70 : 93,555 = 39,492.56 : x
2. Step 2: Convert to fraction form
   67,788.70/93,555 = 39,492.56/x
3. Step 3: Cross multiply
   67,788.70x = 93,555 × 39,492.56
4. Step 4: Simplify right side
   67,788.70x = 3,694,726,684.69
5. Step 5: Solve for x
   x = 3,694,726,684.69/67,788.70
6. Step 6: Final answer
   x = 54,503.58