Finding the Fourth Proportional to 1,018,114.15, 1,404,959.03 and 565,434.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,114.15 : 1,404,959.03 = 565,434.31 : x
2. Step 2: Convert to fraction form
   1,018,114.15/1,404,959.03 = 565,434.31/x
3. Step 3: Cross multiply
   1,018,114.15x = 1,404,959.03 × 565,434.31
4. Step 4: Simplify right side
   1,018,114.15x = 794,412,039,706.32
5. Step 5: Solve for x
   x = 794,412,039,706.32/1,018,114.15
6. Step 6: Final answer
   x = 780,277.97