Finding the Fourth Proportional to 89,682.38, 123,760.13 and 49,399.86

Step by Step Solution

1. Step 1: Write the proportion equation
   89,682.38 : 123,760.13 = 49,399.86 : x
2. Step 2: Convert to fraction form
   89,682.38/123,760.13 = 49,399.86/x
3. Step 3: Cross multiply
   89,682.38x = 123,760.13 × 49,399.86
4. Step 4: Simplify right side
   89,682.38x = 6,113,733,095.58
5. Step 5: Solve for x
   x = 6,113,733,095.58/89,682.38
6. Step 6: Final answer
   x = 68,170.95