Finding the Fourth Proportional to 89,558, 123,590.76 and 49,814

Step by Step Solution

1. Step 1: Write the proportion equation
   89,558 : 123,590.76 = 49,814 : x
2. Step 2: Convert to fraction form
   89,558/123,590.76 = 49,814/x
3. Step 3: Cross multiply
   89,558x = 123,590.76 × 49,814
4. Step 4: Simplify right side
   89,558x = 6,156,550,118.64
5. Step 5: Solve for x
   x = 6,156,550,118.64/89,558
6. Step 6: Final answer
   x = 68,743.72