Finding the Fourth Proportional to 123,404.94, 185,181.42 and 53,284.20

Step by Step Solution

1. Step 1: Write the proportion equation
   123,404.94 : 185,181.42 = 53,284.20 : x
2. Step 2: Convert to fraction form
   123,404.94/185,181.42 = 53,284.20/x
3. Step 3: Cross multiply
   123,404.94x = 185,181.42 × 53,284.20
4. Step 4: Simplify right side
   123,404.94x = 9,867,243,819.56
5. Step 5: Solve for x
   x = 9,867,243,819.56/123,404.94
6. Step 6: Final answer
   x = 79,958.26