Finding the Fourth Proportional to 259,667.33, 389,265.89 and 101,853.41

Step by Step Solution

1. Step 1: Write the proportion equation
   259,667.33 : 389,265.89 = 101,853.41 : x
2. Step 2: Convert to fraction form
   259,667.33/389,265.89 = 101,853.41/x
3. Step 3: Cross multiply
   259,667.33x = 389,265.89 × 101,853.41
4. Step 4: Simplify right side
   259,667.33x = 39,648,055,837.59
5. Step 5: Solve for x
   x = 39,648,055,837.59/259,667.33
6. Step 6: Final answer
   x = 152,687.89