Finding the Fourth Proportional to 173,808.69, 260,647.42 and 80,248.83

Step by Step Solution

1. Step 1: Write the proportion equation
   173,808.69 : 260,647.42 = 80,248.83 : x
2. Step 2: Convert to fraction form
   173,808.69/260,647.42 = 80,248.83/x
3. Step 3: Cross multiply
   173,808.69x = 260,647.42 × 80,248.83
4. Step 4: Simplify right side
   173,808.69x = 20,916,650,497.52
5. Step 5: Solve for x
   x = 20,916,650,497.52/173,808.69
6. Step 6: Final answer
   x = 120,342.95