Finding the Fourth Proportional to 57,868.01, 86,712.71 and 39,074.39

Step by Step Solution

1. Step 1: Write the proportion equation
   57,868.01 : 86,712.71 = 39,074.39 : x
2. Step 2: Convert to fraction form
   57,868.01/86,712.71 = 39,074.39/x
3. Step 3: Cross multiply
   57,868.01x = 86,712.71 × 39,074.39
4. Step 4: Simplify right side
   57,868.01x = 3,388,245,619.56
5. Step 5: Solve for x
   x = 3,388,245,619.56/57,868.01
6. Step 6: Final answer
   x = 58,551.28