Finding the Fourth Proportional to 89,490.48, 123,497.32 and 49,206.83

Step by Step Solution

1. Step 1: Write the proportion equation
   89,490.48 : 123,497.32 = 49,206.83 : x
2. Step 2: Convert to fraction form
   89,490.48/123,497.32 = 49,206.83/x
3. Step 3: Cross multiply
   89,490.48x = 123,497.32 × 49,206.83
4. Step 4: Simplify right side
   89,490.48x = 6,076,912,162.86
5. Step 5: Solve for x
   x = 6,076,912,162.86/89,490.48
6. Step 6: Final answer
   x = 67,905.69