Finding the Fourth Proportional to 1,017,990, 1,404,884.52 and 565,310.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017,990 : 1,404,884.52 = 565,310.16 : x
2. Step 2: Convert to fraction form
   1,017,990/1,404,884.52 = 565,310.16/x
3. Step 3: Cross multiply
   1,017,990x = 1,404,884.52 × 565,310.16
4. Step 4: Simplify right side
   1,017,990x = 794,195,492,782.72
5. Step 5: Solve for x
   x = 794,195,492,782.72/1,017,990
6. Step 6: Final answer
   x = 780,160.41