Finding the Fourth Proportional to 89,425.35, 123,322.40 and 58,744.28

Step by Step Solution

1. Step 1: Write the proportion equation
   89,425.35 : 123,322.40 = 58,744.28 : x
2. Step 2: Convert to fraction form
   89,425.35/123,322.40 = 58,744.28/x
3. Step 3: Cross multiply
   89,425.35x = 123,322.40 × 58,744.28
4. Step 4: Simplify right side
   89,425.35x = 7,244,484,685.54
5. Step 5: Solve for x
   x = 7,244,484,685.54/89,425.35
6. Step 6: Final answer
   x = 81,011.53