Finding the Fourth Proportional to 89,846.01, 123,987.55 and 49,559.76

Step by Step Solution

1. Step 1: Write the proportion equation
   89,846.01 : 123,987.55 = 49,559.76 : x
2. Step 2: Convert to fraction form
   89,846.01/123,987.55 = 49,559.76/x
3. Step 3: Cross multiply
   89,846.01x = 123,987.55 × 49,559.76
4. Step 4: Simplify right side
   89,846.01x = 6,144,793,220.99
5. Step 5: Solve for x
   x = 6,144,793,220.99/89,846.01
6. Step 6: Final answer
   x = 68,392.50