Finding the Fourth Proportional to 321,345.31, 482,085.39 and 96,722.17

Step by Step Solution

1. Step 1: Write the proportion equation
   321,345.31 : 482,085.39 = 96,722.17 : x
2. Step 2: Convert to fraction form
   321,345.31/482,085.39 = 96,722.17/x
3. Step 3: Cross multiply
   321,345.31x = 482,085.39 × 96,722.17
4. Step 4: Simplify right side
   321,345.31x = 46,628,345,046.10
5. Step 5: Solve for x
   x = 46,628,345,046.10/321,345.31
6. Step 6: Final answer
   x = 145,103.55