Finding the Fourth Proportional to 79,181.39, 109,228.89 and 48,957.05

Step by Step Solution

1. Step 1: Write the proportion equation
   79,181.39 : 109,228.89 = 48,957.05 : x
2. Step 2: Convert to fraction form
   79,181.39/109,228.89 = 48,957.05/x
3. Step 3: Cross multiply
   79,181.39x = 109,228.89 × 48,957.05
4. Step 4: Simplify right side
   79,181.39x = 5,347,523,683.03
5. Step 5: Solve for x
   x = 5,347,523,683.03/79,181.39
6. Step 6: Final answer
   x = 67,535.11