Finding the Fourth Proportional to 89,493.37, 123,500.82 and 49,209.74

Step by Step Solution

1. Step 1: Write the proportion equation
   89,493.37 : 123,500.82 = 49,209.74 : x
2. Step 2: Convert to fraction form
   89,493.37/123,500.82 = 49,209.74/x
3. Step 3: Cross multiply
   89,493.37x = 123,500.82 × 49,209.74
4. Step 4: Simplify right side
   89,493.37x = 6,077,443,376.62
5. Step 5: Solve for x
   x = 6,077,443,376.62/89,493.37
6. Step 6: Final answer
   x = 67,909.43