Finding the Fourth Proportional to 86,147.48, 128,944.56 and 46,066.14

Step by Step Solution

1. Step 1: Write the proportion equation
   86,147.48 : 128,944.56 = 46,066.14 : x
2. Step 2: Convert to fraction form
   86,147.48/128,944.56 = 46,066.14/x
3. Step 3: Cross multiply
   86,147.48x = 128,944.56 × 46,066.14
4. Step 4: Simplify right side
   86,147.48x = 5,939,978,153.20
5. Step 5: Solve for x
   x = 5,939,978,153.20/86,147.48
6. Step 6: Final answer
   x = 68,951.27