Finding the Fourth Proportional to 67,991.59, 93,813.96 and 39,684.52

Step by Step Solution

1. Step 1: Write the proportion equation
   67,991.59 : 93,813.96 = 39,684.52 : x
2. Step 2: Convert to fraction form
   67,991.59/93,813.96 = 39,684.52/x
3. Step 3: Cross multiply
   67,991.59x = 93,813.96 × 39,684.52
4. Step 4: Simplify right side
   67,991.59x = 3,722,961,971.90
5. Step 5: Solve for x
   x = 3,722,961,971.90/67,991.59
6. Step 6: Final answer
   x = 54,756.21