Finding the Fourth Proportional to 71,590.33, 98,794.89 and 39,759.23

Step by Step Solution

1. Step 1: Write the proportion equation
   71,590.33 : 98,794.89 = 39,759.23 : x
2. Step 2: Convert to fraction form
   71,590.33/98,794.89 = 39,759.23/x
3. Step 3: Cross multiply
   71,590.33x = 98,794.89 × 39,759.23
4. Step 4: Simplify right side
   71,590.33x = 3,928,009,150.42
5. Step 5: Solve for x
   x = 3,928,009,150.42/71,590.33
6. Step 6: Final answer
   x = 54,867.87