Finding the Fourth Proportional to 67,947.59, 93,768.33 and 39,647.81

Step by Step Solution

1. Step 1: Write the proportion equation
   67,947.59 : 93,768.33 = 39,647.81 : x
2. Step 2: Convert to fraction form
   67,947.59/93,768.33 = 39,647.81/x
3. Step 3: Cross multiply
   67,947.59x = 93,768.33 × 39,647.81
4. Step 4: Simplify right side
   67,947.59x = 3,717,709,314.96
5. Step 5: Solve for x
   x = 3,717,709,314.96/67,947.59
6. Step 6: Final answer
   x = 54,714.36