Finding the Fourth Proportional to 120,364.06, 180,279.72 and 82,323

Step by Step Solution

1. Step 1: Write the proportion equation
   120,364.06 : 180,279.72 = 82,323 : x
2. Step 2: Convert to fraction form
   120,364.06/180,279.72 = 82,323/x
3. Step 3: Cross multiply
   120,364.06x = 180,279.72 × 82,323
4. Step 4: Simplify right side
   120,364.06x = 14,841,167,389.56
5. Step 5: Solve for x
   x = 14,841,167,389.56/120,364.06
6. Step 6: Final answer
   x = 123,302.32