Finding the Fourth Proportional to 89,407.93, 123,383.78 and 49,122.53

Step by Step Solution

1. Step 1: Write the proportion equation
   89,407.93 : 123,383.78 = 49,122.53 : x
2. Step 2: Convert to fraction form
   89,407.93/123,383.78 = 49,122.53/x
3. Step 3: Cross multiply
   89,407.93x = 123,383.78 × 49,122.53
4. Step 4: Simplify right side
   89,407.93x = 6,060,922,572.03
5. Step 5: Solve for x
   x = 6,060,922,572.03/89,407.93
6. Step 6: Final answer
   x = 67,789.54