Finding the Fourth Proportional to 123,949.36, 185,890.83 and 53,812

Step by Step Solution

1. Step 1: Write the proportion equation
   123,949.36 : 185,890.83 = 53,812 : x
2. Step 2: Convert to fraction form
   123,949.36/185,890.83 = 53,812/x
3. Step 3: Cross multiply
   123,949.36x = 185,890.83 × 53,812
4. Step 4: Simplify right side
   123,949.36x = 10,003,157,343.96
5. Step 5: Solve for x
   x = 10,003,157,343.96/123,949.36
6. Step 6: Final answer
   x = 80,703.58