Finding the Fourth Proportional to 89,477.52, 123,480.50 and 49,192.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89,477.52 : 123,480.50 = 49,192.96 : x
2. Step 2: Convert to fraction form
   89,477.52/123,480.50 = 49,192.96/x
3. Step 3: Cross multiply
   89,477.52x = 123,480.50 × 49,192.96
4. Step 4: Simplify right side
   89,477.52x = 6,074,371,297.28
5. Step 5: Solve for x
   x = 6,074,371,297.28/89,477.52
6. Step 6: Final answer
   x = 67,887.12