Finding the Fourth Proportional to 116,886.58, 161,304.22 and 63,171.47

Step by Step Solution

1. Step 1: Write the proportion equation
   116,886.58 : 161,304.22 = 63,171.47 : x
2. Step 2: Convert to fraction form
   116,886.58/161,304.22 = 63,171.47/x
3. Step 3: Cross multiply
   116,886.58x = 161,304.22 × 63,171.47
4. Step 4: Simplify right side
   116,886.58x = 10,189,824,694.60
5. Step 5: Solve for x
   x = 10,189,824,694.60/116,886.58
6. Step 6: Final answer
   x = 87,177.03