Finding the Fourth Proportional to 89,426.35, 123,323.77 and 58,745.28

Step by Step Solution

1. Step 1: Write the proportion equation
   89,426.35 : 123,323.77 = 58,745.28 : x
2. Step 2: Convert to fraction form
   89,426.35/123,323.77 = 58,745.28/x
3. Step 3: Cross multiply
   89,426.35x = 123,323.77 × 58,745.28
4. Step 4: Simplify right side
   89,426.35x = 7,244,689,399.31
5. Step 5: Solve for x
   x = 7,244,689,399.31/89,426.35
6. Step 6: Final answer
   x = 81,012.92