Finding the Fourth Proportional to 89,759.40, 134,638.69 and 23,193.87

Step by Step Solution

1. Step 1: Write the proportion equation
   89,759.40 : 134,638.69 = 23,193.87 : x
2. Step 2: Convert to fraction form
   89,759.40/134,638.69 = 23,193.87/x
3. Step 3: Cross multiply
   89,759.40x = 134,638.69 × 23,193.87
4. Step 4: Simplify right side
   89,759.40x = 3,122,792,272.83
5. Step 5: Solve for x
   x = 3,122,792,272.83/89,759.40
6. Step 6: Final answer
   x = 34,790.70