Finding the Fourth Proportional to 89,412.39, 123,443.19 and 59,223.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,412.39 : 123,443.19 = 59,223.42 : x
2. Step 2: Convert to fraction form
   89,412.39/123,443.19 = 59,223.42/x
3. Step 3: Cross multiply
   89,412.39x = 123,443.19 × 59,223.42
4. Step 4: Simplify right side
   89,412.39x = 7,310,727,887.51
5. Step 5: Solve for x
   x = 7,310,727,887.51/89,412.39
6. Step 6: Final answer
   x = 81,764.15