Finding the Fourth Proportional to 80,461.69, 120,663.37 and 36,065.59

Step by Step Solution

1. Step 1: Write the proportion equation
   80,461.69 : 120,663.37 = 36,065.59 : x
2. Step 2: Convert to fraction form
   80,461.69/120,663.37 = 36,065.59/x
3. Step 3: Cross multiply
   80,461.69x = 120,663.37 × 36,065.59
4. Step 4: Simplify right side
   80,461.69x = 4,351,795,373.86
5. Step 5: Solve for x
   x = 4,351,795,373.86/80,461.69
6. Step 6: Final answer
   x = 54,085.31