Finding the Fourth Proportional to 86,265.89, 129,211.69 and 41,799.38

Step by Step Solution

1. Step 1: Write the proportion equation
   86,265.89 : 129,211.69 = 41,799.38 : x
2. Step 2: Convert to fraction form
   86,265.89/129,211.69 = 41,799.38/x
3. Step 3: Cross multiply
   86,265.89x = 129,211.69 × 41,799.38
4. Step 4: Simplify right side
   86,265.89x = 5,400,968,321.76
5. Step 5: Solve for x
   x = 5,400,968,321.76/86,265.89
6. Step 6: Final answer
   x = 62,608.39