Finding the Fourth Proportional to 89,289.07, 123,224.37 and 59,021.89

Step by Step Solution

1. Step 1: Write the proportion equation
   89,289.07 : 123,224.37 = 59,021.89 : x
2. Step 2: Convert to fraction form
   89,289.07/123,224.37 = 59,021.89/x
3. Step 3: Cross multiply
   89,289.07x = 123,224.37 × 59,021.89
4. Step 4: Simplify right side
   89,289.07x = 7,272,935,211.46
5. Step 5: Solve for x
   x = 7,272,935,211.46/89,289.07
6. Step 6: Final answer
   x = 81,453.81