Finding the Fourth Proportional to 85,775.48, 128,659.10 and 23,446.12

Step by Step Solution

1. Step 1: Write the proportion equation
   85,775.48 : 128,659.10 = 23,446.12 : x
2. Step 2: Convert to fraction form
   85,775.48/128,659.10 = 23,446.12/x
3. Step 3: Cross multiply
   85,775.48x = 128,659.10 × 23,446.12
4. Step 4: Simplify right side
   85,775.48x = 3,016,556,697.69
5. Step 5: Solve for x
   x = 3,016,556,697.69/85,775.48
6. Step 6: Final answer
   x = 35,168.05