Finding the Fourth Proportional to 89,478.38, 123,477.01 and 49,191.85

Step by Step Solution

1. Step 1: Write the proportion equation
   89,478.38 : 123,477.01 = 49,191.85 : x
2. Step 2: Convert to fraction form
   89,478.38/123,477.01 = 49,191.85/x
3. Step 3: Cross multiply
   89,478.38x = 123,477.01 × 49,191.85
4. Step 4: Simplify right side
   89,478.38x = 6,074,062,122.70
5. Step 5: Solve for x
   x = 6,074,062,122.70/89,478.38
6. Step 6: Final answer
   x = 67,883.02