Finding the Fourth Proportional to 116,771, 161,144.62 and 63,779

Step by Step Solution

1. Step 1: Write the proportion equation
   116,771 : 161,144.62 = 63,779 : x
2. Step 2: Convert to fraction form
   116,771/161,144.62 = 63,779/x
3. Step 3: Cross multiply
   116,771x = 161,144.62 × 63,779
4. Step 4: Simplify right side
   116,771x = 10,277,642,718.98
5. Step 5: Solve for x
   x = 10,277,642,718.98/116,771
6. Step 6: Final answer
   x = 88,015.37