Finding the Fourth Proportional to 89,488.52, 123,495.68 and 49,203.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89,488.52 : 123,495.68 = 49,203.96 : x
2. Step 2: Convert to fraction form
   89,488.52/123,495.68 = 49,203.96/x
3. Step 3: Cross multiply
   89,488.52x = 123,495.68 × 49,203.96
4. Step 4: Simplify right side
   89,488.52x = 6,076,476,498.89
5. Step 5: Solve for x
   x = 6,076,476,498.89/89,488.52
6. Step 6: Final answer
   x = 67,902.30