Finding the Fourth Proportional to 87,267.41, 120,415.88 and 49,019.61

Step by Step Solution

1. Step 1: Write the proportion equation
   87,267.41 : 120,415.88 = 49,019.61 : x
2. Step 2: Convert to fraction form
   87,267.41/120,415.88 = 49,019.61/x
3. Step 3: Cross multiply
   87,267.41x = 120,415.88 × 49,019.61
4. Step 4: Simplify right side
   87,267.41x = 5,902,740,049.52
5. Step 5: Solve for x
   x = 5,902,740,049.52/87,267.41
6. Step 6: Final answer
   x = 67,639.69