Finding the Fourth Proportional to 1,685,488.55, 2,530,031.94 and 726,417.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,685,488.55 : 2,530,031.94 = 726,417.46 : x
2. Step 2: Convert to fraction form
   1,685,488.55/2,530,031.94 = 726,417.46/x
3. Step 3: Cross multiply
   1,685,488.55x = 2,530,031.94 × 726,417.46
4. Step 4: Simplify right side
   1,685,488.55x = 1,837,859,383,714.80
5. Step 5: Solve for x
   x = 1,837,859,383,714.80/1,685,488.55
6. Step 6: Final answer
   x = 1,090,401.59