Finding the Fourth Proportional to 117,683.10, 162,439.83 and 75,241.80

Step by Step Solution

1. Step 1: Write the proportion equation
   117,683.10 : 162,439.83 = 75,241.80 : x
2. Step 2: Convert to fraction form
   117,683.10/162,439.83 = 75,241.80/x
3. Step 3: Cross multiply
   117,683.10x = 162,439.83 × 75,241.80
4. Step 4: Simplify right side
   117,683.10x = 12,222,265,200.89
5. Step 5: Solve for x
   x = 12,222,265,200.89/117,683.10
6. Step 6: Final answer
   x = 103,857.44