Finding the Fourth Proportional to 323,016.84, 484,488.27 and 86,377.95

Step by Step Solution

1. Step 1: Write the proportion equation
   323,016.84 : 484,488.27 = 86,377.95 : x
2. Step 2: Convert to fraction form
   323,016.84/484,488.27 = 86,377.95/x
3. Step 3: Cross multiply
   323,016.84x = 484,488.27 × 86,377.95
4. Step 4: Simplify right side
   323,016.84x = 41,849,103,561.65
5. Step 5: Solve for x
   x = 41,849,103,561.65/323,016.84
6. Step 6: Final answer
   x = 129,557.03