Finding the Fourth Proportional to 1,018,109.49, 1,404,952.61 and 565,429.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,109.49 : 1,404,952.61 = 565,429.65 : x
2. Step 2: Convert to fraction form
   1,018,109.49/1,404,952.61 = 565,429.65/x
3. Step 3: Cross multiply
   1,018,109.49x = 1,404,952.61 × 565,429.65
4. Step 4: Simplify right side
   1,018,109.49x = 794,401,859,711.74
5. Step 5: Solve for x
   x = 794,401,859,711.74/1,018,109.49
6. Step 6: Final answer
   x = 780,271.54