Finding the Fourth Proportional to 116,442, 160,689.96 and 63,450

Step by Step Solution

1. Step 1: Write the proportion equation
   116,442 : 160,689.96 = 63,450 : x
2. Step 2: Convert to fraction form
   116,442/160,689.96 = 63,450/x
3. Step 3: Cross multiply
   116,442x = 160,689.96 × 63,450
4. Step 4: Simplify right side
   116,442x = 10,195,777,962
5. Step 5: Solve for x
   x = 10,195,777,962/116,442
6. Step 6: Final answer
   x = 87,561