Finding the Fourth Proportional to 67,857.90, 93,643.82 and 37,647.80

Step by Step Solution

1. Step 1: Write the proportion equation
   67,857.90 : 93,643.82 = 37,647.80 : x
2. Step 2: Convert to fraction form
   67,857.90/93,643.82 = 37,647.80/x
3. Step 3: Cross multiply
   67,857.90x = 93,643.82 × 37,647.80
4. Step 4: Simplify right side
   67,857.90x = 3,525,483,806.60
5. Step 5: Solve for x
   x = 3,525,483,806.60/67,857.90
6. Step 6: Final answer
   x = 51,953.92