Finding the Fourth Proportional to 2,139,031.38, 3,208,386.69 and 622,725.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,031.38 : 3,208,386.69 = 622,725.96 : x
2. Step 2: Convert to fraction form
   2,139,031.38/3,208,386.69 = 622,725.96/x
3. Step 3: Cross multiply
   2,139,031.38x = 3,208,386.69 × 622,725.96
4. Step 4: Simplify right side
   2,139,031.38x = 1,997,945,681,581.47
5. Step 5: Solve for x
   x = 1,997,945,681,581.47/2,139,031.38
6. Step 6: Final answer
   x = 934,042.25