Finding the Fourth Proportional to 116,846.75, 161,248.59 and 63,131.76

Step by Step Solution

1. Step 1: Write the proportion equation
   116,846.75 : 161,248.59 = 63,131.76 : x
2. Step 2: Convert to fraction form
   116,846.75/161,248.59 = 63,131.76/x
3. Step 3: Cross multiply
   116,846.75x = 161,248.59 × 63,131.76
4. Step 4: Simplify right side
   116,846.75x = 10,179,907,284.22
5. Step 5: Solve for x
   x = 10,179,907,284.22/116,846.75
6. Step 6: Final answer
   x = 87,121.87