Finding the Fourth Proportional to 1,018,114.65, 1,404,959.72 and 565,434.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,114.65 : 1,404,959.72 = 565,434.81 : x
2. Step 2: Convert to fraction form
   1,018,114.65/1,404,959.72 = 565,434.81/x
3. Step 3: Cross multiply
   1,018,114.65x = 1,404,959.72 × 565,434.81
4. Step 4: Simplify right side
   1,018,114.65x = 794,413,132,335.85
5. Step 5: Solve for x
   x = 794,413,132,335.85/1,018,114.65
6. Step 6: Final answer
   x = 780,278.66