Finding the Fourth Proportional to 1,016,321.94, 1,402,514.72 and 557,427.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016,321.94 : 1,402,514.72 = 557,427.16 : x
2. Step 2: Convert to fraction form
   1,016,321.94/1,402,514.72 = 557,427.16/x
3. Step 3: Cross multiply
   1,016,321.94x = 1,402,514.72 × 557,427.16
4. Step 4: Simplify right side
   1,016,321.94x = 781,799,797,227.80
5. Step 5: Solve for x
   x = 781,799,797,227.80/1,016,321.94
6. Step 6: Final answer
   x = 769,244.24