Finding the Fourth Proportional to 69,617.91, 96,072.78 and 37,786.81

Step by Step Solution

1. Step 1: Write the proportion equation
   69,617.91 : 96,072.78 = 37,786.81 : x
2. Step 2: Convert to fraction form
   69,617.91/96,072.78 = 37,786.81/x
3. Step 3: Cross multiply
   69,617.91x = 96,072.78 × 37,786.81
4. Step 4: Simplify right side
   69,617.91x = 3,630,283,884.03
5. Step 5: Solve for x
   x = 3,630,283,884.03/69,617.91
6. Step 6: Final answer
   x = 52,145.83