Finding the Fourth Proportional to 307,846.52, 461,815.96 and 108,131.72

Step by Step Solution

1. Step 1: Write the proportion equation
   307,846.52 : 461,815.96 = 108,131.72 : x
2. Step 2: Convert to fraction form
   307,846.52/461,815.96 = 108,131.72/x
3. Step 3: Cross multiply
   307,846.52x = 461,815.96 × 108,131.72
4. Step 4: Simplify right side
   307,846.52x = 49,936,954,078.25
5. Step 5: Solve for x
   x = 49,936,954,078.25/307,846.52
6. Step 6: Final answer
   x = 162,213.80