Finding the Fourth Proportional to 89,590.30, 123,634.71 and 49,306.98

Step by Step Solution

1. Step 1: Write the proportion equation
   89,590.30 : 123,634.71 = 49,306.98 : x
2. Step 2: Convert to fraction form
   89,590.30/123,634.71 = 49,306.98/x
3. Step 3: Cross multiply
   89,590.30x = 123,634.71 × 49,306.98
4. Step 4: Simplify right side
   89,590.30x = 6,096,054,173.28
5. Step 5: Solve for x
   x = 6,096,054,173.28/89,590.30
6. Step 6: Final answer
   x = 68,043.69