Finding the Fourth Proportional to 2,109,422.25, 3,164,669.19 and 613,514.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,422.25 : 3,164,669.19 = 613,514.25 : x
2. Step 2: Convert to fraction form
   2,109,422.25/3,164,669.19 = 613,514.25/x
3. Step 3: Cross multiply
   2,109,422.25x = 3,164,669.19 × 613,514.25
4. Step 4: Simplify right side
   2,109,422.25x = 1,941,569,644,600.96
5. Step 5: Solve for x
   x = 1,941,569,644,600.96/2,109,422.25
6. Step 6: Final answer
   x = 920,427.21