Finding the Fourth Proportional to 89,283.15, 123,216.17 and 59,015.97

Step by Step Solution

1. Step 1: Write the proportion equation
   89,283.15 : 123,216.17 = 59,015.97 : x
2. Step 2: Convert to fraction form
   89,283.15/123,216.17 = 59,015.97/x
3. Step 3: Cross multiply
   89,283.15x = 123,216.17 × 59,015.97
4. Step 4: Simplify right side
   89,283.15x = 7,271,721,497.16
5. Step 5: Solve for x
   x = 7,271,721,497.16/89,283.15
6. Step 6: Final answer
   x = 81,445.62