Finding the Fourth Proportional to 117,446.49, 162,076.59 and 63,731.49

Step by Step Solution

1. Step 1: Write the proportion equation
   117,446.49 : 162,076.59 = 63,731.49 : x
2. Step 2: Convert to fraction form
   117,446.49/162,076.59 = 63,731.49/x
3. Step 3: Cross multiply
   117,446.49x = 162,076.59 × 63,731.49
4. Step 4: Simplify right side
   117,446.49x = 10,329,382,574.82
5. Step 5: Solve for x
   x = 10,329,382,574.82/117,446.49
6. Step 6: Final answer
   x = 87,949.69