Finding the Fourth Proportional to 117,123.06, 161,629.89 and 63,408.09

Step by Step Solution

1. Step 1: Write the proportion equation
   117,123.06 : 161,629.89 = 63,408.09 : x
2. Step 2: Convert to fraction form
   117,123.06/161,629.89 = 63,408.09/x
3. Step 3: Cross multiply
   117,123.06x = 161,629.89 × 63,408.09
4. Step 4: Simplify right side
   117,123.06x = 10,248,642,611.81
5. Step 5: Solve for x
   x = 10,248,642,611.81/117,123.06
6. Step 6: Final answer
   x = 87,503.20