Finding the Fourth Proportional to 89,453.86, 123,449.46 and 49,169.32

Step by Step Solution

1. Step 1: Write the proportion equation
   89,453.86 : 123,449.46 = 49,169.32 : x
2. Step 2: Convert to fraction form
   89,453.86/123,449.46 = 49,169.32/x
3. Step 3: Cross multiply
   89,453.86x = 123,449.46 × 49,169.32
4. Step 4: Simplify right side
   89,453.86x = 6,069,926,002.57
5. Step 5: Solve for x
   x = 6,069,926,002.57/89,453.86
6. Step 6: Final answer
   x = 67,855.38