Finding the Fourth Proportional to 78,818.14, 108,769.03 and 50,523.83

Step by Step Solution

1. Step 1: Write the proportion equation
   78,818.14 : 108,769.03 = 50,523.83 : x
2. Step 2: Convert to fraction form
   78,818.14/108,769.03 = 50,523.83/x
3. Step 3: Cross multiply
   78,818.14x = 108,769.03 × 50,523.83
4. Step 4: Simplify right side
   78,818.14x = 5,495,427,310.83
5. Step 5: Solve for x
   x = 5,495,427,310.83/78,818.14
6. Step 6: Final answer
   x = 69,722.88