Finding the Fourth Proportional to 89,781.82, 123,905.17 and 51,552.37

Step by Step Solution

1. Step 1: Write the proportion equation
   89,781.82 : 123,905.17 = 51,552.37 : x
2. Step 2: Convert to fraction form
   89,781.82/123,905.17 = 51,552.37/x
3. Step 3: Cross multiply
   89,781.82x = 123,905.17 × 51,552.37
4. Step 4: Simplify right side
   89,781.82x = 6,387,605,591.57
5. Step 5: Solve for x
   x = 6,387,605,591.57/89,781.82
6. Step 6: Final answer
   x = 71,145.87