Finding the Fourth Proportional to 1,074,945.01, 1,612,650.78 and 326,971.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074,945.01 : 1,612,650.78 = 326,971.57 : x
2. Step 2: Convert to fraction form
   1,074,945.01/1,612,650.78 = 326,971.57/x
3. Step 3: Cross multiply
   1,074,945.01x = 1,612,650.78 × 326,971.57
4. Step 4: Simplify right side
   1,074,945.01x = 527,290,957,398.33
5. Step 5: Solve for x
   x = 527,290,957,398.33/1,074,945.01
6. Step 6: Final answer
   x = 490,528.31