Finding the Fourth Proportional to 89,544.72, 123,574.74 and 49,260

Step by Step Solution

1. Step 1: Write the proportion equation
   89,544.72 : 123,574.74 = 49,260 : x
2. Step 2: Convert to fraction form
   89,544.72/123,574.74 = 49,260/x
3. Step 3: Cross multiply
   89,544.72x = 123,574.74 × 49,260
4. Step 4: Simplify right side
   89,544.72x = 6,087,291,692.40
5. Step 5: Solve for x
   x = 6,087,291,692.40/89,544.72
6. Step 6: Final answer
   x = 67,980.46