Finding the Fourth Proportional to 322,146.91, 483,182.83 and 85,507.98

Step by Step Solution

1. Step 1: Write the proportion equation
   322,146.91 : 483,182.83 = 85,507.98 : x
2. Step 2: Convert to fraction form
   322,146.91/483,182.83 = 85,507.98/x
3. Step 3: Cross multiply
   322,146.91x = 483,182.83 × 85,507.98
4. Step 4: Simplify right side
   322,146.91x = 41,315,987,763.98
5. Step 5: Solve for x
   x = 41,315,987,763.98/322,146.91
6. Step 6: Final answer
   x = 128,252.01