Finding the Fourth Proportional to 322,333.50, 483,499.72 and 85,676.19

Step by Step Solution

1. Step 1: Write the proportion equation
   322,333.50 : 483,499.72 = 85,676.19 : x
2. Step 2: Convert to fraction form
   322,333.50/483,499.72 = 85,676.19/x
3. Step 3: Cross multiply
   322,333.50x = 483,499.72 × 85,676.19
4. Step 4: Simplify right side
   322,333.50x = 41,424,413,875.67
5. Step 5: Solve for x
   x = 41,424,413,875.67/322,333.50
6. Step 6: Final answer
   x = 128,514.14