Finding the Fourth Proportional to 89,288.07, 123,222.99 and 59,020.89

Step by Step Solution

1. Step 1: Write the proportion equation
   89,288.07 : 123,222.99 = 59,020.89 : x
2. Step 2: Convert to fraction form
   89,288.07/123,222.99 = 59,020.89/x
3. Step 3: Cross multiply
   89,288.07x = 123,222.99 × 59,020.89
4. Step 4: Simplify right side
   89,288.07x = 7,272,730,538.26
5. Step 5: Solve for x
   x = 7,272,730,538.26/89,288.07
6. Step 6: Final answer
   x = 81,452.43