Finding the Fourth Proportional to 69,789.33, 104,711.99 and 25,419.15

Step by Step Solution

1. Step 1: Write the proportion equation
   69,789.33 : 104,711.99 = 25,419.15 : x
2. Step 2: Convert to fraction form
   69,789.33/104,711.99 = 25,419.15/x
3. Step 3: Cross multiply
   69,789.33x = 104,711.99 × 25,419.15
4. Step 4: Simplify right side
   69,789.33x = 2,661,689,653.51
5. Step 5: Solve for x
   x = 2,661,689,653.51/69,789.33
6. Step 6: Final answer
   x = 38,138.92