Finding the Fourth Proportional to 107,632.52, 161,448.91 and 51,459.42

Step by Step Solution

1. Step 1: Write the proportion equation
   107,632.52 : 161,448.91 = 51,459.42 : x
2. Step 2: Convert to fraction form
   107,632.52/161,448.91 = 51,459.42/x
3. Step 3: Cross multiply
   107,632.52x = 161,448.91 × 51,459.42
4. Step 4: Simplify right side
   107,632.52x = 8,308,067,139.58
5. Step 5: Solve for x
   x = 8,308,067,139.58/107,632.52
6. Step 6: Final answer
   x = 77,189.19