Finding the Fourth Proportional to 69,976.87, 96,570.71 and 39,767.34

Step by Step Solution

1. Step 1: Write the proportion equation
   69,976.87 : 96,570.71 = 39,767.34 : x
2. Step 2: Convert to fraction form
   69,976.87/96,570.71 = 39,767.34/x
3. Step 3: Cross multiply
   69,976.87x = 96,570.71 × 39,767.34
4. Step 4: Simplify right side
   69,976.87x = 3,840,360,258.61
5. Step 5: Solve for x
   x = 3,840,360,258.61/69,976.87
6. Step 6: Final answer
   x = 54,880.42