Finding the Fourth Proportional to 72,085.01, 107,976.83 and 57,968.82

Step by Step Solution

1. Step 1: Write the proportion equation
   72,085.01 : 107,976.83 = 57,968.82 : x
2. Step 2: Convert to fraction form
   72,085.01/107,976.83 = 57,968.82/x
3. Step 3: Cross multiply
   72,085.01x = 107,976.83 × 57,968.82
4. Step 4: Simplify right side
   72,085.01x = 6,259,289,132.60
5. Step 5: Solve for x
   x = 6,259,289,132.60/72,085.01
6. Step 6: Final answer
   x = 86,832.06