Finding the Fourth Proportional to 85,725.86, 128,552.71 and 32,408.82

Step by Step Solution

1. Step 1: Write the proportion equation
   85,725.86 : 128,552.71 = 32,408.82 : x
2. Step 2: Convert to fraction form
   85,725.86/128,552.71 = 32,408.82/x
3. Step 3: Cross multiply
   85,725.86x = 128,552.71 × 32,408.82
4. Step 4: Simplify right side
   85,725.86x = 4,166,241,638.90
5. Step 5: Solve for x
   x = 4,166,241,638.90/85,725.86
6. Step 6: Final answer
   x = 48,599.59