Finding the Fourth Proportional to 85,467.97, 128,187.15 and 23,123.89

Step by Step Solution

1. Step 1: Write the proportion equation
   85,467.97 : 128,187.15 = 23,123.89 : x
2. Step 2: Convert to fraction form
   85,467.97/128,187.15 = 23,123.89/x
3. Step 3: Cross multiply
   85,467.97x = 128,187.15 × 23,123.89
4. Step 4: Simplify right side
   85,467.97x = 2,964,185,556.01
5. Step 5: Solve for x
   x = 2,964,185,556.01/85,467.97
6. Step 6: Final answer
   x = 34,681.83