Finding the Fourth Proportional to 107,923.86, 161,932.59 and 57,945.60

Step by Step Solution

1. Step 1: Write the proportion equation
   107,923.86 : 161,932.59 = 57,945.60 : x
2. Step 2: Convert to fraction form
   107,923.86/161,932.59 = 57,945.60/x
3. Step 3: Cross multiply
   107,923.86x = 161,932.59 × 57,945.60
4. Step 4: Simplify right side
   107,923.86x = 9,383,281,087.10
5. Step 5: Solve for x
   x = 9,383,281,087.10/107,923.86
6. Step 6: Final answer
   x = 86,943.53