Finding the Fourth Proportional to 89,259, 123,340.41 and 65,017.77

Step by Step Solution

1. Step 1: Write the proportion equation
   89,259 : 123,340.41 = 65,017.77 : x
2. Step 2: Convert to fraction form
   89,259/123,340.41 = 65,017.77/x
3. Step 3: Cross multiply
   89,259x = 123,340.41 × 65,017.77
4. Step 4: Simplify right side
   89,259x = 8,019,318,409.09
5. Step 5: Solve for x
   x = 8,019,318,409.09/89,259
6. Step 6: Final answer
   x = 89,843.25