Finding the Fourth Proportional to 326,784.01, 490,595.79 and 251,951.69

Step by Step Solution

1. Step 1: Write the proportion equation
   326,784.01 : 490,595.79 = 251,951.69 : x
2. Step 2: Convert to fraction form
   326,784.01/490,595.79 = 251,951.69/x
3. Step 3: Cross multiply
   326,784.01x = 490,595.79 × 251,951.69
4. Step 4: Simplify right side
   326,784.01x = 123,606,436,889.23
5. Step 5: Solve for x
   x = 123,606,436,889.23/326,784.01
6. Step 6: Final answer
   x = 378,251.18