Finding the Fourth Proportional to 80,257.86, 110,774.25 and 53,401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,257.86 : 110,774.25 = 53,401.50 : x
2. Step 2: Convert to fraction form
   80,257.86/110,774.25 = 53,401.50/x
3. Step 3: Cross multiply
   80,257.86x = 110,774.25 × 53,401.50
4. Step 4: Simplify right side
   80,257.86x = 5,915,511,111.38
5. Step 5: Solve for x
   x = 5,915,511,111.38/80,257.86
6. Step 6: Final answer
   x = 73,706.32