Finding the Fourth Proportional to 89,595.52, 123,640.83 and 62,728.22

Step by Step Solution

1. Step 1: Write the proportion equation
   89,595.52 : 123,640.83 = 62,728.22 : x
2. Step 2: Convert to fraction form
   89,595.52/123,640.83 = 62,728.22/x
3. Step 3: Cross multiply
   89,595.52x = 123,640.83 × 62,728.22
4. Step 4: Simplify right side
   89,595.52x = 7,755,769,494.32
5. Step 5: Solve for x
   x = 7,755,769,494.32/89,595.52
6. Step 6: Final answer
   x = 86,564.26