Finding the Fourth Proportional to 69,640.29, 96,104.48 and 37,809.72

Step by Step Solution

1. Step 1: Write the proportion equation
   69,640.29 : 96,104.48 = 37,809.72 : x
2. Step 2: Convert to fraction form
   69,640.29/96,104.48 = 37,809.72/x
3. Step 3: Cross multiply
   69,640.29x = 96,104.48 × 37,809.72
4. Step 4: Simplify right side
   69,640.29x = 3,633,683,290.50
5. Step 5: Solve for x
   x = 3,633,683,290.50/69,640.29
6. Step 6: Final answer
   x = 52,177.89