Finding the Fourth Proportional to 120,852.83, 181,282.82 and 57,679.61

Step by Step Solution

1. Step 1: Write the proportion equation
   120,852.83 : 181,282.82 = 57,679.61 : x
2. Step 2: Convert to fraction form
   120,852.83/181,282.82 = 57,679.61/x
3. Step 3: Cross multiply
   120,852.83x = 181,282.82 × 57,679.61
4. Step 4: Simplify right side
   120,852.83x = 10,456,321,162.49
5. Step 5: Solve for x
   x = 10,456,321,162.49/120,852.83
6. Step 6: Final answer
   x = 86,521.11