Finding the Fourth Proportional to 80,117.98, 120,204.71 and 30,212.39

Step by Step Solution

1. Step 1: Write the proportion equation
   80,117.98 : 120,204.71 = 30,212.39 : x
2. Step 2: Convert to fraction form
   80,117.98/120,204.71 = 30,212.39/x
3. Step 3: Cross multiply
   80,117.98x = 120,204.71 × 30,212.39
4. Step 4: Simplify right side
   80,117.98x = 3,631,671,841.10
5. Step 5: Solve for x
   x = 3,631,671,841.10/80,117.98
6. Step 6: Final answer
   x = 45,329.05