Finding the Fourth Proportional to 116,844, 161,244.72 and 63,129.03

Step by Step Solution

1. Step 1: Write the proportion equation
   116,844 : 161,244.72 = 63,129.03 : x
2. Step 2: Convert to fraction form
   116,844/161,244.72 = 63,129.03/x
3. Step 3: Cross multiply
   116,844x = 161,244.72 × 63,129.03
4. Step 4: Simplify right side
   116,844x = 10,179,222,766.22
5. Step 5: Solve for x
   x = 10,179,222,766.22/116,844
6. Step 6: Final answer
   x = 87,118.06