Finding the Fourth Proportional to 67,786.02, 93,544.47 and 37,978.02

Step by Step Solution

1. Step 1: Write the proportion equation
   67,786.02 : 93,544.47 = 37,978.02 : x
2. Step 2: Convert to fraction form
   67,786.02/93,544.47 = 37,978.02/x
3. Step 3: Cross multiply
   67,786.02x = 93,544.47 × 37,978.02
4. Step 4: Simplify right side
   67,786.02x = 3,552,633,752.55
5. Step 5: Solve for x
   x = 3,552,633,752.55/67,786.02
6. Step 6: Final answer
   x = 52,409.53