Finding the Fourth Proportional to 123,939.36, 185,875.83 and 53,802

Step by Step Solution

1. Step 1: Write the proportion equation
   123,939.36 : 185,875.83 = 53,802 : x
2. Step 2: Convert to fraction form
   123,939.36/185,875.83 = 53,802/x
3. Step 3: Cross multiply
   123,939.36x = 185,875.83 × 53,802
4. Step 4: Simplify right side
   123,939.36x = 10,000,491,405.66
5. Step 5: Solve for x
   x = 10,000,491,405.66/123,939.36
6. Step 6: Final answer
   x = 80,688.58