Finding the Fourth Proportional to 1,018,108.99, 1,404,951.91 and 565,429.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,108.99 : 1,404,951.91 = 565,429.15 : x
2. Step 2: Convert to fraction form
   1,018,108.99/1,404,951.91 = 565,429.15/x
3. Step 3: Cross multiply
   1,018,108.99x = 1,404,951.91 × 565,429.15
4. Step 4: Simplify right side
   1,018,108.99x = 794,400,764,262.18
5. Step 5: Solve for x
   x = 794,400,764,262.18/1,018,108.99
6. Step 6: Final answer
   x = 780,270.85