Finding the Fourth Proportional to 1,803,564, 2,705,760.72 and 621,612

Step by Step Solution

1. Step 1: Write the proportion equation
   1,803,564 : 2,705,760.72 = 621,612 : x
2. Step 2: Convert to fraction form
   1,803,564/2,705,760.72 = 621,612/x
3. Step 3: Cross multiply
   1,803,564x = 2,705,760.72 × 621,612
4. Step 4: Simplify right side
   1,803,564x = 1,681,933,332,680.64
5. Step 5: Solve for x
   x = 1,681,933,332,680.64/1,803,564
6. Step 6: Final answer
   x = 932,560.94