Finding the Fourth Proportional to 89,485.44, 123,485.13 and 49,191.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,485.44 : 123,485.13 = 49,191.42 : x
2. Step 2: Convert to fraction form
   89,485.44/123,485.13 = 49,191.42/x
3. Step 3: Cross multiply
   89,485.44x = 123,485.13 × 49,191.42
4. Step 4: Simplify right side
   89,485.44x = 6,074,408,893.58
5. Step 5: Solve for x
   x = 6,074,408,893.58/89,485.44
6. Step 6: Final answer
   x = 67,881.53