Finding the Fourth Proportional to 85,995.94, 128,994.63 and 23,669.86

Step by Step Solution

1. Step 1: Write the proportion equation
   85,995.94 : 128,994.63 = 23,669.86 : x
2. Step 2: Convert to fraction form
   85,995.94/128,994.63 = 23,669.86/x
3. Step 3: Cross multiply
   85,995.94x = 128,994.63 × 23,669.86
4. Step 4: Simplify right side
   85,995.94x = 3,053,284,832.85
5. Step 5: Solve for x
   x = 3,053,284,832.85/85,995.94
6. Step 6: Final answer
   x = 35,504.99