Finding the Fourth Proportional to 323,596.32, 485,464.55 and 123,916.72

Step by Step Solution

1. Step 1: Write the proportion equation
   323,596.32 : 485,464.55 = 123,916.72 : x
2. Step 2: Convert to fraction form
   323,596.32/485,464.55 = 123,916.72/x
3. Step 3: Cross multiply
   323,596.32x = 485,464.55 × 123,916.72
4. Step 4: Simplify right side
   323,596.32x = 60,157,172,317.30
5. Step 5: Solve for x
   x = 60,157,172,317.30/323,596.32
6. Step 6: Final answer
   x = 185,901.90