Finding the Fourth Proportional to 89,490.52, 123,498.44 and 49,205.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89,490.52 : 123,498.44 = 49,205.96 : x
2. Step 2: Convert to fraction form
   89,490.52/123,498.44 = 49,205.96/x
3. Step 3: Cross multiply
   89,490.52x = 123,498.44 × 49,205.96
4. Step 4: Simplify right side
   89,490.52x = 6,076,859,298.70
5. Step 5: Solve for x
   x = 6,076,859,298.70/89,490.52
6. Step 6: Final answer
   x = 67,905.06